The amplitude of the voltage across an inductor can be greater than the amplitude of the generator EMF in an AC RLC circuit. Consider an RLC

Question

The amplitude of the voltage across an inductor can be greater than the amplitude of the generator EMF in an AC RLC circuit. Consider an RLC circuit with Epeak = 90 V, R = 28.9 capital omega, L = 1.31 H, and C = 2.86 µ F. Find the amplitude of the voltage across the inductor at resonance. V

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Euphemia 4 years 2021-07-17T15:30:33+00:00 1 Answers 34 views 0

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  1. Delwyn
    0
    2021-07-17T15:31:43+00:00
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    Answer:

    VL=2107.6v

    Explanation:

    at resonance xc=xL

    1/wc = wL

    z=R

    because sqr(R^2+(xL-xc))

    ^

    (xL=xc)

    V/R=I

    90/28.9=3.1142A

    w=1/sqr(1.31×(2.86×10^-6))=516.63

    xL= wL

    xL= 516.63×1.31=676.785

    VL=3.1142×676.785

    VL=2107.6v

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