JEE Main 2010 — Alternating Current Question with Solution
JEE Main 2010
Question
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 . On taking out the inductor from the circuit the current leads the voltage by . The power dissipated in the LCR circuit is
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
The given circuit is under resonance as Hence power dissipated in the circuit is
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This is a previous-year question from JEE Main 2010, covering the Alternating Current chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.