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Discussion :: Network Analysis and Synthesis

  1. In the circuit, S was initially open. At time t = 0, S is closed. When the current through the inductor is 6 A, the rate of change of current through the resistor is 6 A/s. The value of the inductor would be

    2. A.
    1 H
    B.
    2 H
    C.
    3 H
    D.
    4 H

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    Answer : Option B

    Explanation :

    i = 18(1 - e-t/L) ...(1)

    6 = 8 (1 - e-t/L) 1 = 3 (1 - e-t/L)

    1 = 3 - 3 e-t/L

    e-t/L = 2/3

    from (1)

    .

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