Multiple choice

Which of the following is the underlying principle behind the working of an electroscope?

  1. Unlike charges attract each other.

  2. Like charges repel each other.

  3. A charged body can get discharged by earthing.

  4. The charges on a charged body are static and not dynamic.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The fact that like charges repel each other is the underlying principle behind the working of an electroscope.

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