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Discussion :: Network Analysis and Synthesis

  1. The frame of an electric motor is earthed through three earthing plates resistances 30 Ω, 20 Ω and 10 Ω respectively. During fault the energy dissipated by three plates are W1, W2 and W3. Then

  2. A.
    W1 > W2 > W3
    B.
    W1 < W2 < W3
    C.
    W1 = W2 = W3
    D.
    W1 + W3 < W2

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    Workspace

    Answer : Option B

    Explanation :

    Energy dissipated by the plate with lowest resistance is maximum.


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