Electrostatics Question 135

Question: A spherical drop of mercury having a potential of 2.5 V is obtained as a result of merging 125 droplets. The potential of constituent droplets would be [Orissa JEE 2003]

Options:

A) 1.0 V

B) 0.5 V

C) 0.2 V

D) 0.1 V

Show Answer

Answer:

Correct Answer: D

Solution:

$ V={{n}^{2/3}}v $

therefore $ 2.5={{(125)}^{2/3}}v $

therefore $ V=\frac{2.5}{25}=0.1volt $



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