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  1. If V = 4 in the figure, the value of IS is given by,

    2. A.
    6 A
    B.
    5/2 A
    C.
    12 A
    D.
    None of these

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    Answer : Option A

    Explanation :

    Using Nodal analysis

    At node V1

    At node V2

    ∴ 2V2 - V1 = 0

    ∴ V1 = 2V2 Put V2 = V = 4

    V1 = 8 V

    Put in equation (i), IS = x 8 - 4 = 10 - 4 = 6 A.

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