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2 August, 21:23

In an AC circuit with a single inductor L=1mH, what is the frequency if Irms=1.6A when Vrms=10V?

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  1. 3 August, 00:19
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    994.718Hz

    Explanation:

    [V (rms) / I (rms) ] = 2ΠfL

    Vrms = 10V

    Irms = 1.6A

    L = 1mH = 1*10⁻³H

    f = ?

    [V (rms) / I (rms) ] = 2ΠfL

    10 / 1.6 = 2π*1*10⁻³f

    6.25 = 6.28*10⁻³f

    f = 994.718Hz

    The frequency across the inductor is 994.718Hz
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