If the value of potential in an $AC$ circuit is $10 \ V$,then the peak value of potential is

  • A
    $\frac{10}{\sqrt{2}} \ V$
  • B
    $10\sqrt{2} \ V$
  • C
    $20\sqrt{2} \ V$
  • D
    $\frac{20}{\sqrt{2}} \ V$

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