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  1. The surface charge density on a conductor is 1.55 x 10-9C/m2. The conductor is immersed in water with ε = 78ε0.The electric field will be __________ .

    2. A.
    3 V/m
    B.
    1.55 V/m
    C.
    2 V/m
    D.
    2.25 V/m

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    Answer : Option D

    Explanation :

    D = εE = 78ε0E

    ∴

    E = 2.25 V/m.

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