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.Management Sciences
A. R/Z
B. cosine of phase angle difference be-tween current and voltage
C. kW/kVA
D. ratio of useful current to total cur¬rent Iw/I
E. all of these
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- In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will__________?
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- At very low frequencies a series R-C circuit behaves as almost purely___________?
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- If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave_________ ?
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