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 $
