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A resistance is connected to an AC sourc...

A resistance is connected to an `AC` source. If a capacitor is included in the series circuit, will the average power absorbed by the resistance increase or decrease? If an inductor of small inductance is also included in the series circuit, will the average power absorbed increase or decrease further?

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Knowledge Check

  • A resistance is connected to a n AC source. If a capacitor is induced in the series cirucit, the average power absorbed by the resistance

    A
    will increase
    B
    will decrease
    C
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  • The average power in LCR series circuit is

    A
    `e_(rms)I_(rms)cosphi`
    B
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    C
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    D
    `e_(rms)I_(rms)tanphi`

  • A resistance R draws power P when connected to an AC source. If an inductance is now placed in series with the resistance, such that the impedance of the circuit becomes Z , the power drawn will be

    A
    `P((R )/(Z))^(2)`
    B
    `Psqrt((R )/(Z))`
    C
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    D
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