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Discussion :: Network Analysis and Synthesis

  1. A circuit is fed by two sources of the same frequency and values 100 ∠0° V and 20 ∠30°V. The current in a particular branch is 5 ∠19° A. If the magnitudes of the sources and changed to 200 ∠0° V and 40 ∠30° V, the current in that branch should be

    2. A.
    5 ∠19° A
    B.
    10 ∠19° A
    C.
    10 ∠38° A
    D.
    10 ∠9.5° A

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    Answer : Option B

    Explanation :

    Since strengths of both sources are doubled, the current would become twice.

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