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Standard XII
Physics
Forward Bias
80.If in an A...
Question
80.If in an A.C. circuit,rms value of current is 2 A and wattless current is root 3 A, then find the value of power factor
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Q.
The rms current in an AC circuit is
2
A
. If the wattless current be
√
3
A
, what is the power factor of the circuit?
Q.
If the phase difference between the emf and the current in an AC circuit is
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then the RMS value of wattless
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The peak value of alternating current in a circuit is
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The rms value of current in an ac circuit is 25 A, then peak current is
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In a circuit, an alternating current and direct current are supplied together. The expression of the instantaneous current is given as
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