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  1. Given potential sin Θ cos Φ, find flux density D at (2, 2p, 0)

    2. A.
    22.12 pC/m2
    B.
    2.212 pC/m2
    C.
    22.12 nC/m2
    D.
    2.212 nC/m2

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    Answer : Option A

    Explanation :

    Now E = -∇V

    E = ∇V

    At r = 2, θ = p/2; Φ = 0 we have

    ∴ D = 22.12 PC/m2.

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