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Examveda

A certain series RLC circuit with a 200 Hz, 15 V ac source has the following values: R = 12 Ω, C = 80 µF, and L = 10 mH. The total impedance, expressed in polar form, is

A. 12.28 ∠12.34° Ω

B. 12.57 ∠12.34° Ω

C. 9.95 ∠12.34° Ω

D. 12.62 ∠12.34° Ω

Answer: Option A


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Comments ( 1 )

  1. Afifa
    Afifa :
    4 months ago

    Z=sqrt(R^2 + (Xl-Xc)^2)
    Xl=2*pi*f*L
    Xc=1/(2*pi*f*C)
    For angle θ,
    θ = tangent inverse*(XL-XC/R)

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