JEE Main 2021 — Alternating Current Question with Solution
From: JEE Main 2021 (Online) 25th February Morning Shift
Question
The current (i) at time t = 0 and t = respectively for the given circuit 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
at t = 0, inductor is removed, so circuit will look like this
at t = 0
at t = , inductor is replaced by plane wire, so circuit will look like this
at t = ,
Now,
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Alternating Current chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2021, 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.