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  • Question 1
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    The frequency of ac mains in India is

  • Question 2
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    The average power dissipated in a pure indicator of inductance L when an ac current is passing through it

  • Question 3
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    The time constant of an L-R circuit is

  • Question 4
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    An air core coil and an electric bulb are connected in series with an ac source. If an iron rod is put in the coil, then the intensity of the light of the bulb will

  • Question 5
    1 / -0

    For high frequency a capacitor offers

  • Question 6
    1 / -0

    In ac circuit of capacitance the current from potential is

  • Question 7
    1 / -0

    Radio frequency choke uses core of

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