A constant voltage of 8.00 V has been observed over a certain time interval across a 2.30 H inductor. The current through the inductor, meas

Question

A constant voltage of 8.00 V has been observed over a certain time interval across a 2.30 H inductor. The current through the inductor, measured as 1.00 A at the beginning of the time interval, was observed to increase at a constant rate to a value of 8.00 A at the end of the time interval. How long was this time interval

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Ngọc Khuê 5 years 2021-09-02T12:47:28+00:00 1 Answers 19 views 0

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  1. thugiang
    0
    2021-09-02T12:48:33+00:00
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    Answer:2.01 s

    Explanation:

    Given

    Applied voltage V=8\ V

    Inductance L=2.3\ H

    Change in Current \Delta i=8-1=7\ A

    Induced EMF is given by

    V=L\times \dfrac{\Delta A}{\Delta t}

    8=2.3\times \dfrac{7}{\Delta t}

    \Delta t=\dfrac{2.3\times 7}{8}

    \Delta t=2.0125\ s

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