The electric field and electric potential at a point due to a point charge are $500 \ NC^{-1}$ and $30 \ V$ respectively. The magnitude of the charge is:

  • A
    $1.3 \times 10^{-9} \ C$
  • B
    $3 \times 10^{-12} \ C$
  • C
    $2 \times 10^{-10} \ C$
  • D
    $1.6 \times 10^{-20} \ C$

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