Yuk, pahami materi menganai konsep medan listrik, meliputi pengertian, sifat-sifat garis, serta cara mencari besar medan listrik di artikel Fisika kelas 9 ini!
—
Eitss, kamu tahu nggak sih, ternyata di gagang pintu itu ada muatan listriknya, loh!
Hmmmm… pantesan aja ya, terkadang ketika kita memegang gagang pintu, rasanya seperti ada aliran listrik yang membuat kita kaget. Kayak kesetrum gitu!
Tapi, kenapa bisa begitu ya, teman-teman?
Timbul rasa seperti kesetrum saat memegang gagang pintu. (sumber: Eunike Benhardine via YouTube)
Nah, rupanya, kejadian tersebut bisa terjadi karena ada hubungannya dengan medan listrik. Kamu pasti pernah mendengar istilah “medan perang”, kan? Medan perang itu menunjukkan daerah atau area tempat untuk berperang. Begitu juga dengan medan listrik, ada kata “medan”-nya. Artinya juga sama, medan di sini mengarah kepada “daerah” atau “area”.
Baca Juga: Bisakah Kita Memiliki Energi Listrik Seperti Electro?
Pengertian dan Konsep Medan Listrik
Pasti, kamu langsung berpikir daerah atau area yang ada listrik-listriknya, ya? Mudah banget deh ketebak pemikiran kamu, hahaha. Gak salah juga sih, tapi lebih tepatnya, medan listrik itu daerah/area/ruang di sekitar muatan listrik, baik itu muatan positif (proton) maupun muatan negatif (elektron) yang masih dipengaruhi gaya listrik.
Nah, kejadian memegang gagang pintu bisa kesetrum itu disebabkan oleh lompatan elektron akibat adanya medan listrik.
Hal ini bisa terjadi ketika terdapat ketidakseimbangan antara jumlah proton dengan elektron di tangan kita dan gagang pintunya. Biasanya, fenomena tangan kita kesetrum saat memegang gagang pintu itu disebabkan karena tangan kita kelebihan elektron, yang menyebabkan elektron mengalir atau melompat dari tangan kita ke gagang pintunya.
Selain itu, peristiwa tersebut juga didukung karena gagang pintu terbuat dari bahan logam. Kenapa? karena logam bersifat mudah mengalirkan atau memindahkan elektron.
Oke, dari penjelasan di atas, mungkin di antara kamu ada yang bertanya-tanya, “kenapa tangan atau tubuh kita bisa kelebihan elektron?”
Hal tersebut biasanya terjadi karena faktor cuaca dingin yang membuat elektron mudah terbentuk di permukaan kulit kita ketika sedang menyentuh sesuatu. Sesuatunya ini bisa dari mana aja, ya.
Misalnya, ketika kita nggak sengaja menggosokkan tangan ke sprei, selimut, gorden, atau benda lainnya, maka elektron bendanya akan lebih mudah berpindah ke tangan atau permukaan tubuh yang lain. Apalagi, jika bendanya itu terbuat dari bahan logam yang mudah mengalirkan elektron.
Jadi, sebenernya, perpindahan elektron itu bisa terjadi dari tubuh kita ke benda, maupun sebaliknya, ya. Nah, untuk kasus ini, memang umumnya perpindahan elektronnya itu dari tangan ke gagang pintu.
Kenapa nggak sebaliknya? Kalo dari gagang pintu ke tangan itu cukup sulit terjadi, karena si gagang pintunya perlu untuk digosok-gosok terlebih dahulu (misal pake kain wol) agar elektron bendanya berlebih.
Gimana, terjawab ya alasan kenapa kadang kita suka merasa kesetrum saat memegang gagang pintu?
Aku simpulkan lagi ya biar lebih jelas. Ketika menyentuh benda yang mudah mengalirkan elektron, akan terjadi lompatan/aliran elektron dari tangan kita ke benda tersebut. Karena terjadi interaksi muatan listrik antara tangan kita dengan bendanya, maka bisa dikatakan di daerah tersebut terdapat medan listrik.
Baca Juga: Bisakah Kita Memiliki Energi Listrik seperti Electro?
Kamu sering liat ngga medan listrik itu digambarin sama garis-garis gitu? Apa itu hanya iseng aja dan ngga berarti apa-apa? Eitss, ternyata itu bukan garis sembarangan loh, guyss.
Garis itu disebut juga garis-garis medan listrik atau garis-garis gaya listrik. Garis ini akan menunjukkan arah dari medan listrik suatu muatan. Bahkan garisnya memiliki aturan atau sifat tersendiri. Yuk, kita bahas satu-satu tentang sifat garis medan listrik!
—
Apakah kamu sudah mulai paham dengan materi listrik statis? Kalo masih ada poin-poin yang belum kamu mengerti, mending belajar sama ahlinya, deh. Belajar bareng kakak-kakak pengajar di Ruangguru Privat Fisika misalnya.
Belajar nggak cuma menyenangkan, tapi kamu juga bakal diajari konsepnya sampai paham! Para pengajar di Ruangguru Privat juga sudah terstandarisasi kualitasnya, loh. Kamu juga bisa pilih nih, mau diajarkan secara langsung (offline) atau daring (online). Fleksibel, kan? Untuk info lebih lanjut, cuss klik link berikut!
Sifat-sifat Garis Medan Listrik (Garis Gaya Listrik)
1. Arah garisnya akan keluar dari muatan positif dan akan masuk ke dalam muatan negatif
Garis medan listrik ini digunakan untuk menyatakan adanya medan listrik yang arahnya dari muatan positif (proton) ke negatif (elektron).
Jadi, untuk muatan positif, arah garis medan listriknya mengarah keluar dari muatannya, sedangkan untuk muatan negatif arah garis medan listriknay mengarah masuk ke muatannya.
2. Garis-garisnya tidak boleh saling berpotongan
Setiap garis memiliki jalur lintasnya masing-masing, jadi gak boleh tuh yang namanya nyelip-nyelip di jalur orang lain.
3. Semakin rapat garisnya, maka menunjukkan medan listriknya semakin kuat
Kuat lemahnya medan listrik suatu muatan listrik dapat kita tunjukkan atau kita gambarkan dengan rapat tidaknya garis medan listrik.
Jadi, untuk medan listrik yang kuat, kita gambarkan dengan garis medan listrik yang semakin rapat, sedangkan untuk medan listrik yang lemah, kita gambarkan dengan garis medan listrik yang renggang.
Nah, itu dia tiga sifat-sifat garis medan listrik yang mungkin sebelumnya belum kamu ketahui, sekarang udah pada paham kan? Hmmm hambar gak sih belajar fisika tanpa rumus-rumus?!!! Eitsss! gak usah khawatir, medan listrik ini bukan hanya sekedar garis-garis aja kok, bakal ada hitung-hitungan dan rumus-rumusan, lhooo!
Baca Juga: Mengenal Gaya Lorentz dan Kaidah Tangan Kanan
Rumus Medan Listrik
Medan listrik dipengaruhi juga oleh jarak (r), semakin jauh jarak suatu titik dari suatu muatan sumber (Q), maka medan listrik (E) yang dirasakan di titik itu akan semakin lemah. Begitupun sebaliknya.
Sehingga, kuat medan listrik (E) pada suatu titik di sekitar sebuah muatan akan berbanding terbalik dengan kuadrat jarak (r) antara titik dengan muatannya, atau dapat dituliskan juga E~1/r2. Sedangkan semakin besar muatan sumber (Q) maka semakin besar pula medan listriknya (E) atau dapat ditulis E~Q.
Gimana, sudah paham belum soal konsep medan listrik? Ternyata, gak seribet yang dipikirin ya xixixi. Sekarang, biar lebih mantepp pemahaman konsep medan listrik, coba kita aplikasikan langsung rumus tadi kedalam soal nih. Kira-kira, kamu bisa nggak ya menjawabnya!
Oke, sampai sini makin lebih paham kan tentang medan listrik? Nanti, kalo kamu merasa tangan kesetrum lagi, itu bukan kamu lagi punya kekuatan listrik kayak Electro, si musuh Spiderman di Film The Amazing Spiderman 2, ya. Hmmm… Menarik ya belajar Fisika, bisa kamu lihat contohnya dalam kehidupan sehari-hari juga! Kamu harus sering akses di ruangbelajar ya, karena bakal banyak banget materi yang akan dibahas, see youu xixiix.
Referensi:
Kementerian Pendidikan dan Kebudayaan, (2015), Ilmu Pengetahuan Alam SMP/MTs Kelas IX Semester I, Pusat Kurikulum dan Perbukuan Kemdikbud, Balitbang.
IDNtimes. “Kenapa Kita Kok Bisa Kesetrum Saat Menyentuh Tangan Orang?”. https://www.idntimes.com/science/discovery/gwenda-hasnaa-sarri/menyentuh-tangan-orang-bisa-kesetrum-c1c2/5 . Diakses tanggal 25 Mei 2021
News.fisika.co.id. “Medan Listrik : pengertian, rumus, dan contoh soal” . https://www.fisika.co.id/2020/10/medan-listrik.html. Diakses 18 Mei 2012
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<h1 class="content-title">
Memahami Konsep Medan Listrik: Sifat, Rumus, dan Contohnya | Fisika Kelas 9 </h1>
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<p class="content-author"><a href="https://www.ruangguru.com/blog/author/kak-nazirah-mt-saintek" class="">Kak Nazirah MT Saintek</a> </p>
<p class="content-info"><span>December 11, 2024 • </span> <span>6 minutes read</span></p>
<br />
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<p style="text-align: center;"><img decoding="async" class="aligncenter size-medium" src="https://cdn-web-2.ruangguru.com/landing-pages/assets/c1f8ea1d-efe7-4e14-b787-0dc9aeb7c364.png" alt="medan listrik" /></p>
<blockquote>
<p style="font-size: 16px; text-align: center;"><em>Yuk, pahami materi menganai konsep medan listrik, meliputi pengertian, sifat-sifat garis, serta cara mencari besar medan listrik di <strong><a href="https://www.ruangguru.com/blog/c/fisika/fisika-smp-kelas-9">artikel Fisika kelas 9</a></strong> ini!</em></p>
</blockquote>
<p style="text-align: center;">—</p>
<p> </p>
<p style="text-align: justify;">Eitss, kamu tahu nggak sih, ternyata di <strong><a href="/blog/fisika-kelas-11-momen-gaya-dan-misteri-gagang-pintu" rel="noopener">gagang pintu</a></strong> itu ada muatan listriknya, loh!</p>
<p style="text-align: justify;">Hmmmm… pantesan aja ya, terkadang ketika kita memegang gagang pintu, rasanya seperti ada aliran listrik yang membuat kita kaget. Kayak kesetrum gitu!</p>
<p style="text-align: justify;">Tapi, kenapa bisa begitu ya, teman-teman?</p>
<p style="text-align: center;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Imported%20sitepage%20images/FullSizeRender.gif" alt="FullSizeRender" width="600" /></p>
<p style="text-align: center;">Timbul rasa seperti kesetrum saat memegang gagang pintu. (sumber: Eunike Benhardine via YouTube)</p>
<p> </p>
<p style="text-align: justify;">Nah, rupanya, kejadian tersebut bisa terjadi karena ada hubungannya dengan medan listrik. Kamu pasti pernah mendengar istilah “medan perang”, kan? Medan perang itu menunjukkan daerah atau area tempat untuk berperang. Begitu juga dengan medan listrik, ada kata “medan”-nya. Artinya juga sama, <strong>medan</strong> di sini mengarah kepada “<strong>daerah”</strong> atau “<strong>area</strong>”.</p>
<p><strong>Baca Juga: <a href="/blog/ipa-kelas-9-bisakah-kita-memiliki-energi-listrik-seperti-electro" rel="noopener">Bisakah Kita Memiliki Energi Listrik Seperti Electro?</a></strong></p>
<p> </p>
<h2><span style="font-size: 18pt;">Pengertian dan Konsep Medan Listrik</span></h2>
<p style="text-align: justify;">Pasti, kamu langsung berpikir daerah atau area yang ada listrik-listriknya, ya? Mudah banget deh ketebak pemikiran kamu, hahaha. Gak salah juga sih, tapi lebih tepatnya, medan listrik itu <span style="font-weight: bold;">daerah/area/ruang di sekitar muatan listrik</span><span style="font-weight: normal;">,</span> baik itu <strong><a href="/blog/atom-molekul-dan-ion" rel="noopener">muatan positif (proton) maupun muatan negatif (elektron)</a></strong> yang masih dipengaruhi gaya listrik.</p>
<p style="text-align: justify;">Nah, kejadian memegang gagang pintu bisa kesetrum itu disebabkan oleh lompatan elektron akibat adanya medan listrik.</p>
<p style="text-align: justify;">Hal ini bisa terjadi ketika terdapat ketidakseimbangan antara jumlah proton dengan elektron di tangan kita dan gagang pintunya. Biasanya, fenomena tangan kita kesetrum saat memegang gagang pintu itu disebabkan karena tangan kita kelebihan elektron, yang menyebabkan elektron mengalir atau melompat dari tangan kita ke gagang pintunya.</p>
<p style="text-align: justify;">Selain itu, peristiwa tersebut juga didukung karena gagang pintu terbuat dari bahan logam. Kenapa? karena logam bersifat mudah mengalirkan atau memindahkan elektron.</p>
<p style="text-align: justify;">Oke, dari penjelasan di atas, mungkin di antara kamu ada yang bertanya-tanya, “kenapa tangan atau tubuh kita bisa kelebihan elektron?”</p>
<p style="text-align: justify;">Hal tersebut biasanya terjadi karena faktor cuaca dingin yang membuat elektron mudah terbentuk di permukaan kulit kita ketika sedang menyentuh sesuatu. Sesuatunya ini bisa dari mana aja, ya.</p>
<p style="text-align: justify;">Misalnya, ketika kita nggak sengaja menggosokkan tangan ke sprei, selimut, gorden, atau benda lainnya, maka elektron bendanya akan lebih mudah berpindah ke tangan atau permukaan tubuh yang lain. Apalagi, jika bendanya itu terbuat dari bahan logam yang mudah mengalirkan elektron.</p>
<p style="text-align: justify;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/ilustrasi%20medan%20listrik.jpg" alt="ilustrasi medan listrik" width="600" /></p>
<p> </p>
<p style="text-align: justify;">Jadi, sebenernya, perpindahan elektron itu bisa terjadi dari tubuh kita ke benda, maupun sebaliknya, ya. Nah, untuk kasus ini, memang umumnya perpindahan elektronnya itu dari tangan ke gagang pintu.</p>
<p style="text-align: justify;">Kenapa nggak sebaliknya? Kalo dari gagang pintu ke tangan itu cukup sulit terjadi, karena si gagang pintunya perlu untuk digosok-gosok terlebih dahulu (misal pake kain wol) agar elektron bendanya berlebih.</p>
<p style="text-align: justify;">Gimana, terjawab ya alasan kenapa kadang kita suka merasa kesetrum saat memegang gagang pintu?</p>
<p style="text-align: justify;">Aku simpulkan lagi ya biar lebih jelas. Ketika menyentuh benda yang mudah mengalirkan elektron, akan terjadi lompatan/aliran elektron dari tangan kita ke benda tersebut. Karena terjadi interaksi muatan listrik antara tangan kita dengan bendanya, maka bisa dikatakan di daerah tersebut terdapat medan listrik.</p>
<p><strong>Baca Juga: <a href="/blog/ipa-kelas-9-bisakah-kita-memiliki-energi-listrik-seperti-electro" rel="noopener">Bisakah Kita Memiliki Energi Listrik seperti Electro?</a></strong></p>
<p style="text-align: justify;">Kamu sering liat ngga medan listrik itu digambarin sama garis-garis gitu? Apa itu hanya iseng aja dan ngga berarti apa-apa? Eitss, ternyata itu bukan garis sembarangan loh, guyss.</p>
<p style="text-align: justify;">Garis itu disebut juga garis-garis medan listrik atau garis-garis gaya listrik. Garis ini akan menunjukkan arah dari medan listrik suatu muatan. Bahkan garisnya memiliki aturan atau sifat tersendiri. Yuk, kita bahas satu-satu tentang sifat garis medan listrik!</p>
<p style="text-align: center;">—</p>
<p style="text-align: justify;">Apakah kamu sudah mulai paham dengan materi listrik statis? Kalo masih ada poin-poin yang belum kamu mengerti, mending belajar sama ahlinya, deh. Belajar bareng kakak-kakak pengajar di <a href="https://www.ruangguru.com/privat/fisika"><strong>Ruangguru Privat Fisika</strong></a> misalnya.</p>
<p style="text-align: justify;">Belajar nggak cuma menyenangkan, tapi kamu juga bakal diajari konsepnya sampai paham! Para pengajar di Ruangguru Privat juga sudah terstandarisasi kualitasnya, loh. Kamu juga bisa pilih nih, mau diajarkan secara langsung (<em>offline</em>) atau daring (<em>online</em>). Fleksibel, kan? Untuk info lebih lanjut, cuss klik link berikut!</p>
<p><a href="https://cta.ruangguru.com/blog-rg-10-privat-b"><img decoding="async" class="aligncenter size-medium" src="https://cdn-web-2.ruangguru.com/landing-pages/assets/84b6f2c7-9c9c-480d-a218-7961334af9ce.png" alt="CTA Ruangguru Privat" /></a></p>
<p> </p>
<h2><span style="font-size: 18pt;">Sifat-sifat Garis Medan Listrik (Garis Gaya Listrik)</span></h2>
<h3 style="text-align: justify;"><span style="font-size: 14pt;">1. Arah garisnya akan keluar dari muatan positif dan akan masuk ke dalam muatan negatif</span></h3>
<p style="text-align: justify;"><span style="text-align: justify; background-color: transparent; font-size: 1rem;">Garis medan listrik ini digunakan untuk menyatakan adanya medan listrik yang arahnya dari </span><strong><a href="/blog/ipa-kelas-9-mengapa-petir-bisa-terjadi" rel="noopener">muatan positif (proton) ke negatif (elektron)</a></strong><span style="text-align: justify; background-color: transparent; font-size: 1rem;"><span style="font-weight: normal;">. </span></span></p>
<p style="text-align: justify;"><span style="text-align: justify; background-color: transparent; font-size: 1rem;">Jadi, untuk muatan positif, arah garis medan listriknya mengarah keluar dari muatannya, sedangkan untuk muatan negatif arah garis medan listriknay mengarah masuk ke muatannya.</span></p>
<p style="text-align: center;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/muatan%20positif%20dan%20negatif%20medan%20listrik.jpg" alt="muatan positif dan negatif medan listrik" width="600" /></p>
<p> </p>
<h3><span style="font-size: 14pt;">2. Garis-garisnya tidak boleh saling berpotongan</span></h3>
<p style="font-size: 16px; text-align: justify;">Setiap garis memiliki jalur lintasnya masing-masing, jadi gak boleh tuh yang namanya nyelip-nyelip di jalur orang lain.</p>
<p style="font-size: 16px; text-align: justify;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/medan%20listrik.jpg" alt="medan listrik" width="600" /></p>
<p> </p>
<h3><span style="font-size: 14pt;">3. Semakin rapat garisnya, maka menunjukkan medan listriknya semakin kuat</span></h3>
<p style="font-size: 16px; text-align: justify;">Kuat lemahnya medan listrik suatu muatan listrik dapat kita tunjukkan atau kita gambarkan dengan rapat tidaknya garis medan listrik.</p>
<p style="font-size: 16px; text-align: justify;">Jadi, untuk medan listrik yang kuat, kita gambarkan dengan garis medan listrik yang semakin rapat, sedangkan untuk medan listrik yang lemah, kita gambarkan dengan garis medan listrik yang renggang.</p>
<p style="text-align: center;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/medan%20listrik1.jpg" alt="medan listrik1" width="600" /></p>
<p> </p>
<p style="text-align: justify;"><span style="background-color: transparent; font-size: 1rem;">Nah, itu dia tiga sifat-sifat garis medan listrik yang mungkin sebelumnya belum kamu ketahui, sekarang udah pada paham kan? Hmmm hambar gak sih belajar fisika tanpa rumus-rumus?!!! Eitsss! gak usah khawatir, medan listrik ini bukan hanya sekedar garis-garis aja kok, bakal ada hitung-hitungan dan rumus-rumusan, lhooo!</span></p>
<p><strong>Baca Juga: <a href="/blog/gaya-lorentz" rel="noopener">Mengenal Gaya Lorentz dan Kaidah Tangan Kanan</a></strong></p>
<p> </p>
<h2><span style="font-size: 18pt;">Rumus Medan Listrik</span></h2>
<p style="text-align: justify;">Medan listrik dipengaruhi juga oleh jarak (r), <strong>semakin jauh jarak suatu titik dari suatu muatan sumber (Q)</strong>, maka <strong>medan listrik (E)</strong> yang dirasakan di titik itu akan<strong> semakin lemah</strong>. Begitupun sebaliknya.</p>
<p style="text-align: justify;">Sehingga, kuat medan listrik (E) pada suatu titik di sekitar sebuah muatan akan berbanding terbalik dengan kuadrat jarak (r) antara titik dengan muatannya, atau dapat dituliskan juga <strong>E~</strong><strong>1/r</strong><strong><sup>2</sup></strong><strong>. </strong>Sedangkan <strong>semakin besar muatan sumber (Q)</strong> maka <strong>semakin besar pula medan listriknya</strong> <strong>(E)</strong> atau dapat ditulis <strong>E~</strong><strong>Q</strong><strong>.</strong></p>
<p style="text-align: center;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/rumus%20medan%20listrik.jpg" alt="rumus medan listrik" width="600" /></p>
<p> </p>
<p style="text-align: justify;">Gimana, sudah paham belum soal konsep medan listrik? Ternyata, gak seribet yang dipikirin ya xixixi. Sekarang, biar lebih mantepp pemahaman konsep medan listrik, coba kita aplikasikan langsung rumus tadi kedalam soal nih. Kira-kira, kamu bisa nggak ya menjawabnya!</p>
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<p style="text-align: justify;">Oke, sampai sini makin lebih paham kan tentang medan listrik? Nanti, kalo kamu merasa tangan kesetrum lagi, itu bukan kamu lagi punya kekuatan listrik <em>kayak</em> Electro, si musuh Spiderman di Film <em>The Amazing Spiderman 2</em>, ya. Hmmm… Menarik ya belajar Fisika, bisa kamu lihat contohnya dalam kehidupan sehari-hari juga! Kamu harus sering akses di <strong><a href="https://ruangguru.onelink.me/blPk/eaff0eb9" target="_blank" rel="noopener">ruangbelajar</a> </strong>ya, karena bakal banyak banget materi yang akan dibahas, <em>see youu</em> xixiix.</p>
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<p style="text-align: justify;"><strong>Referensi:</strong></p>
<p>Kementerian Pendidikan dan Kebudayaan, (2015), <em>Ilmu Pengetahuan Alam SMP/MTs Kelas IX Semester </em>I, Pusat Kurikulum dan Perbukuan Kemdikbud, Balitbang.</p>
<p>IDNtimes. “<span style="color: #333333;">Kenapa Kita Kok Bisa Kesetrum Saat Menyentuh Tangan Orang?”. </span>https://www.idntimes.com/science/discovery/gwenda-hasnaa-sarri/menyentuh-tangan-orang-bisa-kesetrum-c1c2/5<span style="color: #333333;"> . Diakses tanggal 25 Mei 2021</span></p>
<p>News.fisika.co.id. “Medan Listrik : pengertian, rumus, dan contoh soal” . https://www.fisika.co.id/2020/10/medan-listrik.html. Diakses 18 Mei 2012</p>
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<div class="d-lg-none text-center">
<nav class="footer-menu social">
<p class="title">Ikuti Kami</p>
<a target="_blank" href="https://www.instagram.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/instagram.png" loading="lazy" alt="Logo Instagram Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.facebook.com/ruanggurucom/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/facebook.png" loading="lazy" alt="Logo Facebook Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://twitter.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/twitter.png" loading=" lazy" alt="Logo Twitter Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.youtube.com/ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/youtube.png?height=60&convert=webp" type="image/webp">
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<img src="https://cdn-web-2.ruangguru.com/static/youtube.png" loading=" lazy" alt="Logo Youtube Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.linkedin.com/company/ruangguru-com">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/linkedin.png" loading=" lazy" alt="Logo LinkedIn Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.tiktok.com/@ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/tiktok.png?height=60&convert=webp" type="image/webp">
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<img src="https://cdn-web-2.ruangguru.com/static/tiktok.png" loading=" lazy" alt="Logo TikTok Footer" width="32px" height="32px" />
</picture>
</a>
</nav>
</div>
<p class="footer-copyright">
© 2026 All Rights Reserved PT. Ruang Raya Indonesia
</p>
</div>
<style>
.bantuan-container {
position: relative;
}
.bantuan-element {
position: fixed;
z-index: 999;
display: flex;
align-items: flex-end;
justify-content: flex-end;
cursor: pointer;
transition: all 0.6s ease;
}
.bantuan-top {
bottom: 11rem;
right: 2rem;
}
.bantuan-bottom {
bottom: 2rem;
right: 2rem;
}
.bantuan-top-2 {
bottom: 15rem;
right: 2rem;
}
.bantuan-top-3 {
bottom: 19rem;
right: 2rem;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 2rem;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 2rem;
}
@media (min-width: 768px) {
.bantuan-element img {
width: auto;
transition: all 0.4s ease;
}
.bantuan-top img {
width: 140px;
}
.bantuan-bottom img {
width: 140px;
}
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 140px;
}
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 140px;
}
.bantuan-element.clicked {
bottom: 9rem;
right: 2.5rem;
}
.bantuan-element.clicked img {
width: auto;
height: 64px;
}
}
@media (max-width: 767px) {
.bantuan-top {
bottom: 8rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom {
bottom: 2rem;
right: 1.25rem;
align-items: center;
}
.bantuan-top-2 {
bottom: 12rem;
right: 1rem;
align-items: center;
}
.bantuan-top-3 {
bottom: 16rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 1.25rem;
align-items: center;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 1.25rem;
align-items: center;
}
.bantuan-element img {
width: auto;
}
.bantuan-top img,
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 96px;
}
.bantuan-bottom img,
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 96px;
}
}
.bantuan-element:hover {
transform: scale(1.05);
}
.bantuan-element img {
max-width: 100%;
height: auto;
}
</style>
<div id="bantuan-divs-container" style="position: relative" data-product="ruangguru" data-table="rg_floating_icon"></div>
<script>
class FloatingDivsComponent {
constructor(product = 'ruangguru', table = 'rg_floating_icon') {
this.container = document.getElementById('bantuan-divs-container');
this.floatingElements = [];
this.product = product;
this.table = table;
// Configuration
this.config = {
baseApiUrl: 'https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/rg_banner/views/',
apiKey: 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
maxElements: 2,
zIndexBase: 100,
};
// Build dynamic API URL based on table parameter
this.config.apiUrl = this.buildApiUrl();
this.init();
}
buildApiUrl() {
const baseUrl = this.config.baseApiUrl;
const tableName = this.table || 'rg_floating_icon';
const queryParams =
'offset=0&limit=99999&sort=rankPosition&where=(type,eq,floating)~and(showIn,anyof,blog)~and(hide,is,false)~and(product,eq,' +
this.product +
')&nested%5Bcta%5D%5Bfields%5D=Id,name,ctaId,imageUrl,ctaLink,targetUrl';
return `${baseUrl}${tableName}?${queryParams}`;
}
async init() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to initialize floating divs component:', error);
}
}
async fetchFloatingElements() {
try {
const options = {
method: 'GET',
headers: {
'xc-token': this.config.apiKey || 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
},
};
const urlNoco = this.config.apiUrl;
const response = await fetch(urlNoco, options);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
this.floatingElements = this.processApiResponse(data);
} catch (error) {
console.error('Error fetching floating elements:', error);
throw error;
}
}
processApiResponse(data) {
if (!data || !data.list || !Array.isArray(data.list)) {
return [];
}
console.log(data.list);
// Ensure we only get maximum 2 elements
const limitedElements = data.list.slice(0, this.config.maxElements);
return limitedElements;
}
renderFloatingElements() {
if (!this.container || this.floatingElements.length === 0) {
return;
}
// Additional safeguard: ensure we never render more than maxElements
const elementsToRender = this.floatingElements.slice(0, this.config.maxElements);
// Clean up existing elements and their event listeners
this.cleanupExistingElements();
// Clear existing content
this.container.innerHTML = '';
elementsToRender.forEach((element, index) => {
const floatingDiv = this.createFloatingDiv(element, index);
this.container.appendChild(floatingDiv);
});
}
cleanupExistingElements() {
// Clear existing elements (no need for event listener cleanup with CSS approach)
const existingElements = this.container.querySelectorAll('[data-floating-element]');
existingElements.forEach(element => {
element.remove();
});
}
createFloatingDiv(element, index) {
const div = document.createElement('div');
const cta = element.cta[0]; // Use the first CTA
// Add data attribute for cleanup tracking
div.setAttribute('data-floating-element', 'true');
// Apply CSS classes based on rankPosition
const positionClass = this.getPositionClass(element.rankPosition, index);
div.className = `bantuan-element ${positionClass}`;
div.style.zIndex = this.config.zIndexBase + index;
// Create the link and image
const link = document.createElement('a');
link.href = 'https://cta.ruangguru.com/' + cta.ctaId || '#';
link.target = '_blank';
// Add tracking attributes
link.setAttribute('data-tracking-event-type', 'landing_page__core__item_click');
link.setAttribute(
'data-tracking-context',
JSON.stringify({
product_name: this.product,
cta_action: 'redirection',
cta_action_detail: link.href,
item_type: 'floating',
item_name: element.name || 'Floating element',
item_category: 'payment',
item_position: index,
item_serial: null,
section_type: 'floating_item',
section_position: 'body',
section_name: 'floating_item',
})
);
const img = document.createElement('img');
img.src = element.imageUrl + '?h=200&convert=webp';
img.alt = element.name || 'Floating element';
img.loading = 'lazy';
// Add click tracking
link.addEventListener('click', () => {
this.trackClick(element, cta);
});
link.appendChild(img);
div.appendChild(link);
return div;
}
getPositionClass(rankPosition, index) {
// Define positioning classes based on rankPosition
if (rankPosition === 1) {
return 'bantuan-top'; // Top position
} else if (rankPosition === 2) {
return 'bantuan-bottom'; // Bottom position
} else {
// For additional elements, distribute them evenly
return `bantuan-${index % 2 === 0 ? 'top' : 'bottom'}-${Math.floor(index / 2) + 1}`;
}
}
trackClick(element, cta) {
// Implement click tracking logic here
console.log('Floating element clicked:', {
elementId: element.Id,
elementName: cta.name,
ctaId: cta.ctaId,
targetUrl: cta.targetUrl,
});
}
// Public method to manually refresh
async refresh() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to refresh floating elements:', error);
throw error;
}
}
// Public method to get current floating elements
getFloatingElements() {
return [...this.floatingElements];
}
}
// Initialize the component when DOM is ready
document.addEventListener('DOMContentLoaded', () => {
// Get product and table parameters from data attributes
const container = document.getElementById('bantuan-divs-container');
const product = container.getAttribute('data-product') || 'ruangguru';
const table = container.getAttribute('data-table') || 'rg_floating_icon';
new FloatingDivsComponent(product, table);
});
// Export for use in other modules if needed
if (typeof module !== 'undefined' && module.exports) {
module.exports = FloatingDivsComponent;
}
</script> <div id="wp-install-nudge" style="
position: fixed;
bottom: 0rem;
right: 0;
z-index: 999;
cursor: pointer;
"></div>
<script>
(function (w, d, s, o, f, js, fjs) {
w['Sales-Nudge-Widget'] = o; w[o] = w[o] || function () { (w[o].q = w[o].q || []).push(arguments) };
js = d.createElement(s), fjs = d.getElementsByTagName(s)[0];
js.id = o; js.src = f; js.async = 1; fjs.parentNode.insertBefore(js, fjs);
}(window, document, 'script', 'wpInstallNudge', 'https://cdn-web-2.ruangguru.com/sales-nudge/6198a95130/dist/widget.js'));
wpInstallNudge('init', { targetElementId: 'wp-install-nudge', clientTarget: 'ruangguru_blog' });
</script>
<script>
// note: disabled due to auto reload page
// var lastScrollTop = 0;
// $(window).scroll(function(event){
// var st = $(this).scrollTop();
// if (st > lastScrollTop){
// $('#wp-install-nudge').slideDown( "slow", function() {});
// } else {
// $('#wp-install-nudge').slideUp( "slow", function() {});
// }
// lastScrollTop = st;
// });
// $(document).ready(function () {
// $("#wp-install-nudge").hide();
// });
$('#wp-install-nudge').click(function(){
Analytics.track("promotion__install_nudge__click",
{
user_email: "ruangguru@blog.com",
cta_link: widgetData.dataConfig.target_link
}).catch((err) => {
console.log("tracker error", err);
});
});
</script>
</footer>
<div id="__next"></div>
<script type="speculationrules">
{"prefetch":[{"source":"document","where":{"and":[{"href_matches":"\/blog\/*"},{"not":{"href_matches":["\/blog\/wp-*.php","\/blog\/wp-admin\/*","\/blog\/wp-content\/uploads\/*","\/blog\/wp-content\/*","\/blog\/wp-content\/plugins\/*","\/blog\/wp-content\/themes\/ruangguru\/*","\/blog\/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]}
</script>
<script>
async function getCtaDetails(ctaIds) {
const endpoint =
" https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/CTA/views/CTA?offset=0&limit=10&where=(ctaId,in," + ctaIds.toString() + ")";
try {
const response = await fetch(endpoint, {
headers: {
"xc-token": "-hG2nBDJzSj0agSgNtcJx97M4F02y54nUMoY6plJ",
},
});
const data = await response.json();
const ctaList = data?.list || [];
const ctaMap = new Map();
for (const ctaData of ctaList) {
ctaMap.set(ctaData.ctaId, ctaData);
}
return ctaMap;
} catch (error) {
console.error("Error fetching CTA details:", error);
return new Map();
}
}
async function replaceCTA() {
const regex = /{{cta\((‘(.*?)’|“(.*?)”)\)}}/g;
const bodyHTML = document.body.innerHTML;
const matches = Array.from(bodyHTML.matchAll(regex));
const ctaIds = matches.map((match) => {
let ctaId = match[2] ?? match[3];
return ctaId;
});
const ctaMap = await getCtaDetails(ctaIds);
const replacedHTML = bodyHTML.replace(regex, (match, _inner, ctaId1, ctaId2) => {
const ctaId = ctaId1 ?? ctaId2;
const ctaData = ctaMap.get(ctaId);
if (ctaData) {
return `<a href="https://cta.ruangguru.com/${ctaData.ctaId}" target="_${ctaData.targetType}" style="position:relative;display:inline-block;">
<img src="${ctaData.imageUrl}" loading="lazy" alt="${ctaData.altText}" />
</a>`;
} else {
return match;
}
});
document.body.innerHTML = replacedHTML;
}
</script>
<meta name="author" content="Ruangguru Tech Team">
<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PVNLZFT" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- Tracker -->
<script type="text/javascript" src="https://cdn-web-2.ruangguru.com/landing-page-web/public/staticpages/global-assets/js/cta.js"></script>
<script src="https://unpkg.com/@dotlottie/player-component@latest/dist/dotlottie-player.mjs" type="module"></script>
</body>
</html>