Two conducting spheres of radii $r_1$ and $r_2$ have same electric fields near their surfaces. The ratio of their electric potentials is

  • A

    $\left( {r_1^2/r_2^2} \right)$

  • B

    $\left( {r_2^2/r_1^2} \right)$

  • C

    $(r_1/r_2)$

  • D

    $(r_2/r_1)$

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