PHYSICS · Single correct · CBSE · Physics · Alternating Current · Alternating Current
Problem
In a series LCR circuit driven by an AC source, what is the value of the circuit impedance at resonance?
(a) It equals the resistance R of the circuit
(b) It equals the inductive reactance XL
(c) It becomes zero (0Ω)
(d) It becomes infinitely large (∞)