$A$ and $B$ are concentric conducting spherical shells. $A$ is given a positive charge while $B$ is earthed. Then :-

819-1

  • A

    $A$ and $B$ both will have the same charge densities

  • B

    The potential inside $A$ and outside $B$ will zero.

  • C

    the electric field between $A$ and $B$ is non zero

  • D

    the electric field inside $A$ and outside $B$ is non zero

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