JEE Main 2019 — Alternating Current Question with Solution
JEE Main 2019 (11 Jan Shift 1)
Question
In the circuit shown,
the switch is closed at time and the switch is kept open. At some later time , the switch is opened and is closed. the behaviour of the current I as a function of time ' ' is given by:
the switch is closed at time and the switch is kept open. At some later time , the switch is opened and is closed. the behaviour of the current I as a function of time ' ' is given by:
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
The current will grow for the time to and after that decay of current takes place.
Growth and decay of current is of exponential nature
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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.