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Alternating Current Test - 8
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Alternating Current Test - 8
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  • Question 1/10
    4 / -1
    Average power in the L–C–R circuit depends upon the
    Solutions

  • Question 2/10
    4 / -1
    In Colpitt oscillator the feedback network consists of
  • Question 3/10
    4 / -1
    In a circuit, the current lags behind the voltage by a phase difference of π/ 2, the circuit will contains which of the following ?
  • Question 4/10
    4 / -1
    A choke is preferred to a resistance for limiting current in AC circuit, because
    Solutions

  • Question 5/10
    4 / -1
    In L-C-R circuit if resistance increases, quality factor
    Solutions

  • Question 6/10
    4 / -1
    In an L-C-R series AC circuit, the voltage across each of the components L, C and R is 50 V. The voltage across the L-C combination will be
  • Question 7/10
    4 / -1
    In an L-C-R circuit, capacitance is changed from C to 2C. For the resonant frequency to remain unchanged, the inductance should be changed from L to
    Solutions

  • Question 8/10
    4 / -1
    In an AC circuit, the current lags behind the voltage by π/3. The components of the circuit are
    Solutions

  • Question 9/10
    4 / -1
    An inductance 1 H is connected in series with an AC source of 220 V and 50 Hz. The inductive reactance (in ohm) is
    Solutions

  • Question 10/10
    4 / -1
    The current voltage relation of diode is given by I = (el000V/T – 1) mA, where the applied voltage V is in volt and the temperature T is in kelvin. If a student makes an error measuring ± 0.01 V while measuring the current of 5 mA at 300 K, what will be the error in the value of current in mA?
    Solutions

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