MCQ
A parallel plate capacitor is connected to a battery. The plates are pulled apart with a uniform speed. If $x$ is the separation between the plates, the time rate of change of electrostatic energy of capacitor is proportional to 
  •  $x^{-2}$
  • B
    $ x$
  • C
    $x^{-1}$
  • D
    $x^2$

Answer

Correct option: A.
 $x^{-2}$
$x^{-2}$

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