The equation of an equipotential line in an electric field is $y = 2x$, then the electric field strength vector at $(1, 2)$ may be

  • A

    $4 \hat i+ 3  \hat j$

  • B

    $4  \hat i + 8  \hat j$

  • C

    $8  \hat i + 4  \hat j$

  • D

    $- 8  \hat i + 4  \hat j$

Similar Questions

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