Find out electric filed intensity at point $A(1,0,2)$ due to a point charge $-20\,\mu C$ situated at point $B(0, 2,1)$

  • A

    $-22.5\times10^3 (\hat i - \sqrt 2\hat j + \hat k)$

  • B

    $8.5\times10^3 (\hat i + \sqrt 2\hat j + \hat k)$

  • C

    $22.5\times10^3 (\hat i + \sqrt 2\hat j - \hat k)$

  • D

    $8.5\times10^3 (\hat i - \sqrt 2\hat j + \hat k)$

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