What is the magnitude of a point charge which produces an electric field of $2\, N/coulomb$ at a distance of $60\, cm$ $(1/4\pi {\varepsilon _0} = 9 \times {10^9}\,N - {m^2}/{C^2})$

  • A

    $8 \times {10^{ - 11}}\,C$

  • B

    $2 \times {10^{ - 12}}\,C$

  • C

    $3 \times {10^{ - 11}}\,C$

  • D

    $6 \times {10^{ - 10}}\,C$

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