A gold leaf electroscope is given a positive charge so that its leaves diverge. How is the divergence of leaves affected, when a negatively charged rod is brought near its disc?

divergence increases

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divergence decreases

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divergence remains same

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can't say

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Solution

The correct option is A divergence decreases
When the negatively charged rod is touched on the disc of a positively charged gold leaf electroscope, the divergence between the gold leaves decreases as unlike charges attract each other.
Hence, the divergence decreases as the negatively charged rod is rolled on the disc of the positively charged gold leaf electroscope.

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