$A$ $4\,\mu F$ capacitor is charged to $400\,V$ and then its plates are joined through a resistance of $1\,k\Omega$. The heat produced in the resistance is ............... $J$.

  • A
    $0.16$
  • B
    $1.28$
  • C
    $0.64$
  • D
    $0.32$

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