A 400 pF capacitor is charged with a 100 V battery. After disconnecting battery this capacitor is connected with another 400 pF capacitor. Then find out energy loss.

• A

  $1 \mathrm{x} {10}^{-6} \mathrm{J}$

• B

  $2 \mathrm{x} {10}^{-6} \mathrm{J}$

• C

  $3 \mathrm{x} {10}^{-6} \mathrm{J}$

• D

  $4 \mathrm{x} {10}^{-6} \mathrm{J}$