Question

.What will be the charge  
b) on the leaves of an electroscope, if you bring a positive rod near the end of its metal cap.​

Answer 1

Answer:

When a positive charged rod is brought near to the cap of gold leaf electroscope, then opposite charge is induced on the cap and similar charge is induced on the leaves. Hence, the charge on the metal cap is negative and the charge on the leaves of electroscope is positive.

Explanation:

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Answer 2

If you bring the positive rod near the end of its metal cap, the leaves of an electroscope will diverge more if the initial change present was positive and vice-versa if the initial charge was negative.