JEE Main 2019 — Alternating Current Question with Solution
From: JEE Main 2019 (Online) 12th April Evening Slot
Question
Consider the LR circuit shown in the figure. If the switch S is closed at t = 0 then the amount of charge that
passes through the battery between t = 0 and t =
is :
This question includes a diagram. The text above accompanies the figure.
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
where =
We know
Q
=
=
=
= [ as e = 2.7 ]
= [as = ]
We know
Q
=
=
=
= [ as e = 2.7 ]
= [as = ]
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This is a previous-year question from JEE Main 2019, 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.