What will be the phase difference between virtual voltage and virtual current, when the current in the circuit is wattless
What will be the phase difference between virtual voltage and virtual current, when the current in the circuit is wattless
A. `180^(@)`
B. `45^(@)`
C. `60^(@)`
D. `90^(@)`
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Correct Answer - D
Power `(P) = E_(rms) I_(rms) cos phi = 0`
Since it is wattless current. But `E_(rms) !- 0, :. Cos phi = 0 or phi = 90^(@)`.
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