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} $