Q183 / 225 · JEE Main 2002 · Physics

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

  • A
    $\mathrm{CV}$
  • Correct answer
    B
    $\frac{1}{2} \mathrm{nCV}^2$
  • C
    $\mathrm{CV}^2$
  • D
    $\frac{1}{2 n} CV^2$

Solution

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

Hence, the correct answer is option: 'B'.

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