Home Physics Alternating Current NCERT In a series LCR circuit, and the voltage an…
Physics Alternating Current NCERT MCQ (Single Correct)

In a series LCR circuit, and the voltage and the frequency of the main supply is and respectively. On taking out the capacitance from the circuit, the current lags behind the voltage by 30o. On taking out the inductor from the circuit, the current leads the voltage by . The power dissipated in the LCR circuit is:

A
B
C
D

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The correct answer is:
A

and

so,

Watt

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