JEE Main 2009 — Alternating Current Question with Solution
From: AIEEE 2009
Question
An inductor of inductance and resistors of resistance and are connected to a battery of as shown in the figure. The internal resistance of the battery is negligible. The switch is closed at The potential drop across as a function of time is :
This question includes a diagram. The text above accompanies the figure.
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Growth in current in branch when switch is closed is given by
Hence, potential drop across
Hence, potential drop across
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This is a previous-year question from JEE Main 2009, 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.