JEE Main 2010 — Alternating Current Question with Solution
From: AIEEE 2010
Question
In a series 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 circuit is
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
When capacitance is taken out, the circular is
Again, when inductor is taken out, the circuit is
Now,
Power dissipated
as
Again, when inductor is taken out, the circuit is
Now,
Power dissipated
as
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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.