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Q.Twenty-seven drops of water each of radius 0.1 mm coalesce to form a big drop. If the drops are uncharged initially and the big drop finally has charge Q, the potential of the big drop is (JEE Main 2024)

a
3Q/(4πϵ0R)3Q/(4\pi\epsilon_0 R)
b
9Q/(4πϵ0R)9Q/(4\pi\epsilon_0 R)
c
27Q/(4πϵ0R)27Q/(4\pi\epsilon_0 R)
d
Q/(4πϵ0R)Q/(4\pi\epsilon_0 R)

Correct Answer: Option B

The correct solution involves applying the fundamental concept to derive the final value step by step...

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