If there are n capacitors in parallel connected to V volt source, then the energy stored is equal to

If there are n capacitors in parallel connected to V volt source, then the energy stored is equal to
  1. $\mathrm{CV}$
  2. $\frac{1}{2} \mathrm{nCV}^2$
  3. $\mathrm{CV}^2$
  4. $\frac{1}{2 n} CV^2$

Solution

$E=\sum \frac{1}{2} C V^2=\frac{1}{2} n C V^2$

Asked in: JEE Main 2002

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