Alternating Current
Class 12 · Alternating Current · Practice

LCR Resonance — Previous-Year Questions

5 previous-year questions on LCR Resonance, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.

Q1. Resonance frequency of an LCR series with L = 200 mH, C = 5 μF:

JEE 2022

Q2. At resonance, impedance of a series LCR equals:

JEE 2021

Q3. Q-factor of an LCR series with L = 4 mH, C = 1 μF, R = 4 Ω:

JEE 2020

Q4. Doubling R in a series LCR circuit:

JEE 2019

Q5. At resonance in a series LCR, voltage across L equals:

JEE 2018

LCR Resonance previous-year questions from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 12 physics practice for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG candidates.