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Electric circuits miscellaneous

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Electric circuits miscellaneous
  1. Current I1, I2 and I3 meet at a junction (node) in a circuit. All currents are marked as entering the node. If I1 = – 6 sin (ω t) mA and I2 = 8 cos (ω t) mA, then I 3 will be
    1. 10 cos (ωt + 36.87) mA
    2. 14 cos (ωt + 36.87) mA
    3. – 14 sin (ωt + 36.87) mA
    4. 10 cos (ωt + 36.87) mA
Correct Option: D

NA


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