Two series LCR circuits are given: Circuit A: Circuit B: Which circuit has the…

PHYSICS · Single correct · CBSE · Physics · Alternating Current · Alternating Current

Problem

Two series LCR circuits are given: Circuit A: L=1 H,  C=1 μF,  R=10 ΩL=1\,\text{H},\; C=1\,\mu\text{F},\; R=10\,\Omega Circuit B: L=0.5 H,  C=1 μF,  R=5 ΩL=0.5\,\text{H},\; C=1\,\mu\text{F},\; R=5\,\Omega Which circuit has the greater sharpness of resonance (higher QQ factor)? (a) Circuit A (b) Circuit B (c) Both have the same sharpness. (d) Cannot be decided with the given data.

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