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The graph between current and frequency ...

The graph between current and frequency for LCR series circuit is drawn for three different resistor `R_(1), R_(2)` & `R_(3)` . Which one is correct regarding resistance.

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Knowledge Check

  • The phase difference between voltage and current in an LCR series circuit is

    A
    zero always
    B
    `pi//4` always
    C
    `pi`
    D
    between 0 and `pi//2`

  • The phase difference between the current and voltage of LCR circuit in series combination at resonance is

    A
    `0`
    B
    `pi//2`
    C
    `pi`
    D
    `-pi`

  • The resonant frequency of a series LCR circuit with L=2.0 H,C =32 muF and R=10 Omega is

    A
    20 Hz
    B
    30 Hz
    C
    40 Hz
    D
    50 Hz

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