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An a.c source of frequency 1000 Hz is co...

An a.c source of frequency `1000 Hz` is connected to a coil of `(200)/(pi) mH` and negligible resistance. If effective current through the coil is `7.5 mA`, what is the voltage (in volt) across the coil ?

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Knowledge Check

  • A 20volts AC is applied to a circuit consisting of a resistance and a coil with negligible resistance. If the voltage across the resistance is 12V , the voltage across the coil is

    A
    `16` volts
    B
    `10` volts
    C
    `8` volts
    D
    `6` volts

  • A 20 volt AC is applied to a circuit consisting. of a resistance and a coil with negligible resistance. If the voltage across the resistance is 12 volt, the voltage across the coil is

    A
    16V
    B
    10 V
    C
    8 V
    D
    6 V

  • A coil of inductance 5.0 mH and negligible resistance is connected to an alternating voltage V=10 sin (100t) . The peak current in the circuit will be:

    A
    2amp
    B
    1amp
    C
    10amp
    D
    20amp