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MCQ Practice Question

For the same series RLC circuit with R = 20 ohm, L = 0.2 H and C = 50 microfarad, its quality factor Q = omega0 L/R is closest to?

A0.316
B1.0
C3.16
D31.6

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Correct Answer: C. 3.16

Explanation: omega0 = 1/√LC ≈ 316.2 rad/s. Therefore Q = 316.2×0.2/20 ≈ 3.16.

Reference: Standard network theory: resonance

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