Question

You are given an uncharged electroscope and a charged body. No other apparatus is allowed. You can use the electroscope to ?

• A. only detect the charge.
• B. detect and measure the charge.
• C. detect, measure and find the nature of the charge.
• D. neither of these since the electroscope is uncharged.

Answer 1

The correct option is B detect and measure the charge.

We can only detect and measure the charge using an uncharged electroscope and a charged body, to test the nature of charge, we need another body with a known charge.