Find the rms current delivered by the power supply when the frequency is very large. Answer in units of A.

Question

Find the rms current delivered by the power supply when the frequency is very large. Answer in units of A.

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bonexptip 3 years 2021-08-07T22:41:02+00:00 1 Answers 188 views 0

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    2021-08-07T22:42:31+00:00

    Answer:

    The rms current is 0.3112 A.

    Explanation:

    Given that,

    Suppose, The capacitance is 170 μF and the inductance is 2.94 mH. The resistance in the top branch is 278 Ohms, and in the bottom branch is 151 Ohms. The potential of the power supply is 47 V .

    We know that,

    When the frequency is very large then the capacitance can be treated as a short circuit and inductance as open circuit.

    So,

    We need to calculate the rms current

    Using formula of current

    I=\dfrac{V}{R}

    Where, V = voltage

    R = resistance

    Put the value into the formula

    I=\dfrac{47}{151}

    I= 0.3112 \ A

    Hence, The rms current is 0.3112 A.

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