Electrostatics Question 7
Question: The energy stored in a condenser of capacity $ C $ which has been raised to a potential $ V $ is given by [MP PMT 1993; CPMT 1974; DCE 2002; RPET 2003]
Options:
A) $ \frac{1}{2}CV $
B) $ \frac{1}{2}CV^{2} $
C) $ CV $
D) $ \frac{1}{2VC} $
Show Answer
Answer:
Correct Answer: B
Solution:
$ U=\int _{0}^{V}{CVdV}=\frac{1}{2}CV^{2} $
