A metallic block carrying current $I$ is subjected to a uniform magnetic induction $\overrightarrow B $ as shown in the figure. The moving charges experience a force $\overrightarrow F $ given by ........... which results in the lowering of the potential of the face ........ Assume the speed of the carriers to be $v$

131-27

  • [IIT 1996]
  • A

    $eVB\,\hat k$, $ABCD$

  • B

    $eVB\,\hat k$, $EFGH$

  • C

    $ - eVB\,\hat k$, $ABCD$

  • D

    $ - eVB\,\hat k$, $EFGH$

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