From 07793af56c55e45a372d19d58b78d73f340b4897 Mon Sep 17 00:00:00 2001 From: altaf-creator Date: Sat, 2 Sep 2023 21:19:46 +0700 Subject: Finished Electrical Theory --- lessons/fisika/static-electricity/id-theory.html | 70 ++++++++++++++++++++---- lessons/fisika/static-electricity/theory.html | 54 +++++++++++++++++- 2 files changed, 110 insertions(+), 14 deletions(-) (limited to 'lessons') diff --git a/lessons/fisika/static-electricity/id-theory.html b/lessons/fisika/static-electricity/id-theory.html index 32e54bd..3377bde 100644 --- a/lessons/fisika/static-electricity/id-theory.html +++ b/lessons/fisika/static-electricity/id-theory.html @@ -56,7 +56,7 @@
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Electroscope

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What is an Electroscope?

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An electroscope is a scientific instrument to detect a presence of an electric charge, and / or a type of an electric charge.

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Neutral Electroscope

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Elektroskop

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Apa itu Elektroskop?

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Elektroskop merupakan sebuah alat untuk mengetahui sebuah keberadaan listrik dari suatu benda, dan / atau jenis dari muatan listrik suatu benda.

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Elektroskop Netral


- A neutral electroscope. -

An electroscope can be Neutral, Positive, or Negative. This part explains about a netural electroscope. If an object is brought closer to the ball;

+ Sebuah elektroskop netral. +

Sebuah elektroskop dapat menjadi netral, positif, ataupun negatif. Bagian ini menjelaskan tentang elektroskop netral. Jika sebuah benda didekatkan ke bola elektroskop, maka;

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  1. If the object is neutral, nothing will happen.
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  2. Jika objek itu bermuatan netral, tidak akan ada yang terjadi.
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    If the object is positively charged, the electrons will move upwards (to the ball), and the protons will move downwards (to the golden leaves). These will result in the golden leaves to seperate further. (see image)

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    Jika objek itu bermuatan positif, elektron-elektron pada elektroskop itu akan bergerak keatas (ke bolanya), dan proton-proton akan bergerak ke bawah (ke daun emas)
    Hal ini menyebabkan proton-proton pada daun emas itu saling tolak-menolak, yang membuat jarak lebih antara daun emas. (Lihat gambar)

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    If the object is negatively charged, the protons will move upwards (to the ball), and the electrons will move downwards (to the golden leaves). These will result in the golden leaves to seperate further. (see image)

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    Sebaliknya, jika objek itu bermuatan negatif, proton-proton pada elektroskop itu akan bergerak keatas (ke bolanya), dan elektron-elektron akan bergerak ke bawah (ke daun emas)
    Hal ini menyebabkan elektron-elektron pada daun emas itu saling tolak-menolak, yang membuat jarak lebih antara daun emas. (Lihat gambar)

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Positive Electroscope

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Perlu diingat bahwa elektroskop yang bersifat netral tidak dapat digunakan untuk membedakan apakah objek itu positif ataupun negatif, dikarenakan pada dunia nyata, sifat kedua daun emas akan terlihat sama antara positif maupun negatif.

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Elektroskop Positif

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+ Sebuah elektroskop positif. +

Tipe lain dari elektroskop adalah elektroskop positif. Muatan dari elektroskop ini telah dipisahkan antara proton dan elektron menggunakan konduksi. Jika sebuah objek didekatkan ke bola elektroskop, maka;

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    Jika objek itu positif, proton-proton akan bergerak kebawah (bertolakan dengan bendanya) ke daun emas.
    Ini akan menyebabkan proton-proton saling tolak-menolak yang menyebabkan jarak lebih antara daun emas. (Lihat gambar).

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    2. +
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    Jika objek itu negatif, lebih banyak proton akan bergerak keatas (tertarik oleh bendanya) ke bola elektroskop.
    Hal ini menyebabkan proton yang lebih sedikit di daun emas, yang menyebabkan daun emas saling menguncup.

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    3. +
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Elektroskop Negatif

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+ Sebuah elektroskop negatif. +

Jika sebuah benda didekatkan ke bola elektroskop, maka;

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  1.   +
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    Jika objek itu positif, elektron-elektron akan bergerak keatas (tertarik dengan bendanya) ke daun emas.
    Hal ini menyebabkan elektron yang lebih sedikit di daun emas, yang menyebabkan daun emas saling menguncup.

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    2. +
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    Jika objek itu negatif, lebih banyak elektron akan bergerak kebawah (bertolakan oleh bendanya) ke bola elektroskop.
    Ini akan menyebabkan elektron-elektron saling tolak-menolak yang menyebabkan jarak lebih antara daun emas. (Lihat gambar)

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Medan Listrik

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Sebuah medan listrik adalah medan fisik yang mengelilingi sebuah muatan listrik dan mengeluarkan gaya ke semua muatan listrik disekitarnya, entah menarik ataupun menolak mereka. [1]

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Sifat Muatan Positif dan Negatif

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Sebuah proton memiliki medan listrik radial yang keluar dari posisi proton tersebut, melainkan elektron memiliki medan listrik radial yang memasuki ke dalam elektron tersebut.

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Contoh

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Sebuah proton dan elektron saling tarik-menarik, yang bisa dilihat dari garis medan listriknya.

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Sebuah proton dan proton lainnya saling tolak-menolak , yang bisa dilihat dari garis medan listriknya.
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Referensi

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  1. Browne, p 225: "... around every charge there is an aura that fills all space. This aura is the electric field due to the charge. The electric field is a vector field... and has a magnitude and direction."
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diff --git a/lessons/fisika/static-electricity/theory.html b/lessons/fisika/static-electricity/theory.html index af5ba31..0c54c73 100644 --- a/lessons/fisika/static-electricity/theory.html +++ b/lessons/fisika/static-electricity/theory.html @@ -56,7 +56,7 @@
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    If the object is positively charged, the electrons will move upwards (to the ball), and the protons will move downwards (to the golden leaves). These will result in the golden leaves to seperate further. (see image)

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    If the object is positively charged, the electrons will move upwards (attracted by the object) to the ball, and the protons will move downwards (repelled by the object) to the golden leaves.
    These will result in the protons repel each other that the golden leaves to seperate further. (see image)

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    If the object is negatively charged, the protons will move upwards (to the ball), and the electrons will move downwards (to the golden leaves). These will result in the golden leaves to seperate further. (see image)

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    If the object is negatively charged, the protons will move upwards (attracted by the object) to the ball, and the electrons will move downwards (repelled by the object) to the golden leaves.
    These will result in the electrons repel each other that the golden leaves to seperate further. (see image)

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    An important point to mention is that a neutral electroscope cannot be used to differ between a positively charged and a negatively charged object, because in the real world, the behaviour of the golden leaves will be identical to each other.

    Positive Electroscope

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    + A positive electroscope. +

    Another type of elecroscope is a positively charged electroscope. This means that the protons of the electroscope has been seperated by the electrons with conduction. If an object has been brought closer to the ball of the electroscope;

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    1.   +
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      If the object is positively charged, more protons will move downwards (repelled by the object) to the golden leaves.
      These will result in the protons repel each other that the golden leaves to seperate further. (see image)

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      2. +
    2.   +
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      If the object is negatively charged, more protons will move upwards (attracted by the object) to the ball.
      These will result in less protons in the leaves that the golden leaves will become closer to each other. (see image)

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      3. +
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    Negative Electroscope

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    + A negative electroscope. +

    If an object has been brought closer to the ball of the negative electroscope;

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    1.   +
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      If the object is positively charged, more electrons will move upwards (attracted by the object) to the ball.
      These will result in less electrons in the leaves that the golden leaves will become closer to each other. (see image)

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      2. +
    2.   +
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      If the object is negatively charged, more electrons in the ball will move downwards (repelled by the object) to the golden leaves.
      These will result in the electrons repel each other that the golden leaves to seperate further. (see image)

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      3. +
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    Electric Field

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    An electrtic field is the physical field that surrounds electrically charged particles and exerts force on all other charged particles in the field, either attracting or repelling them. [1]

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    Behaviours of Positive and Negative Charges

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    A proton has a radially outward electric field from the proton's position, while an electron has a radially inward electric field from its position.

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    Examples

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    A proton and electron attracting eachother which can be seen from the electric field arrows.

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    A proton and another proton repelling eachother which can be seen from the electric field arrows.
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    References

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    1. Browne, p 225: "... around every charge there is an aura that fills all space. This aura is the electric field due to the charge. The electric field is a vector field... and has a magnitude and direction."
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