Electrostatics Question 121

Question: If n drops, each of capacitance C, coalesce to form a single big drop, then the ratio of the energy stored in the big drop to that in each small drop will be [UPSEAT 2002]

Options:

A) $ n:\text{ 1} $

B) $ {{n}^{\text{1}/\text{3}}}:\text{ 1} $

C) $ {{n}^{\text{5}/\text{3}}}:\text{ 1} $

D) $ {{n}^{\text{2}}}:\text{ 1} $

Show Answer

Answer:

Correct Answer: C

Solution:

$ U _{Big}={{n}^{5/3}}u _{small} $



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