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Alternating Current Test - 16
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Alternating Current Test - 16
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  • Question 1/10
    4 / -1
    A resistor and a capacitor are connected in series with an ac source. If the potential drop across the capacitor is 5 V and that across resistor is 12 V, the applied voltage is
    Solutions

  • Question 2/10
    4 / -1
    An alternating e.m.f. is applied to purely capacitive circuit. The phase relation between e.m.f. and current flowing in the circuit is or In a circuit containing capacitance only
    Solutions

  • Question 3/10
    4 / -1
    The average power dissipated in a pure inductor of inductance L when an ac current is passing through it, is
    (Inductance of the coil L and current I)
  • Question 4/10
    4 / -1

    Solutions

  • Question 5/10
    4 / -1
    An alternating voltage is connected in series with a resistance R and an inductance L. If the potential drop across the resistance is 200V and across the inductance is 150 V, then the applied voltage is
    Solutions

  • Question 6/10
    4 / -1
    In a circuit containing an inductance of zero resistance, the e.m.f. of the applied ac voltage leads the current by
    Solutions

  • Question 7/10
    4 / -1
    In a pure inductive circuit or In an ac circuit containing inductance only, the current
  • Question 8/10
    4 / -1
    A 20 volts ac is applied to a circuit consisting of a resistance and a coil with negligible resistance. If the voltage across the resistance is 12 V, the voltage across the coil is
    Solutions

  • Question 9/10
    4 / -1
    For a series LCR circuit at resonance, the statement which is not true is
    Solutions

  • Question 10/10
    4 / -1
    The power factor of LCR circuit at resonance is
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