At Resonance

By BYJU'S Exam Prep

Updated on: September 25th, 2023

At resonance, the impedance of a series LCR circuit equals its _____.
A. Resistance
B. Reactance
C. Conductance
D. Susceptance
Select the correct answer from the above-given options and support your answer with a proper explanation.

Table of content

1. At resonance, the impedance of a series LCR circuit equals its Resistance

Answer: A. Resistance

At resonance, the impedance of a series LCR circuit equals its Resistance

Solution:

At resonance, in the LCR series circuit

X_L=X_C

Impedance Z=√(R²+(X_L-X_C)²)=√R²+0²=R

Hence option A is the correct answer.

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