The impedance at the resonant frequency of a series RLC circuit...

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The impedance at the resonant frequency of a series RLC circuit with L = 20 mH, C = 0.02 µF, and RW = 90 Ω is

A. 0 Ω

B. 90 Ω

C. 20 Ω

D. 40 Ω

Answer: Option B

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Comments ( 1 )

Afifa :

5 months ago

Z = sqrt [R^2 + (Xl^2 - Xc^2)]

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