MHT CET 2024 Physics question

'n' small drops of same size are charged to 'V' volt each. If they coalesce to form a single large drop, then its potential will be

Answer: (B)

Solution

Let each small drop have radius and charge , so . Charge is conserved, so the big drop has . Volume is conserved: . Potential of the big

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Question ID VK-099649