Question

What will happen to the leaves of an electroscope if a positively charged body is brought near
(a) An uncharged electroscope?
(b) A positively charged electroscope?
(c) A negatively charged electroscope?
When a negatively charged rod is brought near the cap of a gold leaf electroscope whose case
Is earthed, then
(1) Leaves will have induced positive charge
(2) Positive charge is induced on one leaf and negative on the other
(3) No charge is induced on the leaves
(4) The leaf has an induced negative charge
​

Answer 1

Answer:

Positive

Explanation:

When the positively charged is brought near to the disc of a positively charged gold leaf electroscope, the divergence between the gold leaves increases as like charges repel each other.

In this case, when the charged body is brought near the positively charged electroscope the electrons from gold leaves shifts due to induction. Therefore, the amount of positive charge on gold leaves in creases and the divergence increases.

Answer 2

Answer:

When a positively charged object is brought near the electroscope negative charges in the metal of the scope move toward the positive object, causing the leaves to have a positive charge, and the leaves repel each other. The stronger the charge, the greater the separation of the leaves.

Explanation:

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