JEE Main 2021 — Alternating Current Question with Solution
From: JEE Main 2021 (Online) 18th March Evening Shift
Question
In a series LCR circuit, the inductive reactance (XL) is 10 and the capacitive reactance (XC) is 4. The resistance (R) in the circuit is 6. The power factor of the circuit is :
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Given :
XL = 10
XC = 4
R = 6
Power factor = cos =
XL = 10
XC = 4
R = 6
Power factor = cos =
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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.