A resistance R draws power P when connected to an AC source. If an inductance is now placed in series with the resistance, such that the impedance of the circuit becomes Z the power drawn will be
A
B
C
D
P
Text Solution
Verified by ExpertsThe correct answer is:
A
When a resistor is connected to an AC source. The power drawn will be
When an inductor is connected in series with the resistor, then the power drawn will be
where, φ φ = phase difference
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