Quiz  /  RL Circuits Class 12 MCQ Questions With Answers

  • 1. 
    Resistance and reactance must be added geometrically because ________.

  • inductor current lags inductor voltage by 90 degrees
  • resistor current is in phase with resistor voltage
  • they are out of phase
  • all of the above

  • 2. 
    Inductive reactance in a parallel circuit is treated just like resistance in a parallel circuit. 2)

  • True
  • False

  • 3. 
    Inductance is a ________ value, while resistance is a ________ value.

  • floating, static
  • reactive, dynamic
  • dynamic, static
  • dynamic, reactive

  • 4. 
    In an RL circuit, the product of current and voltage is referred to as ________.

  • apparent power
  • imaginary power
  • reactive power
  • true power

  • 5. 
    The maximum rate of change of a sine wave occurs at 180∘ and 360∘

  • True
  • False

  • 6. 
    Inductor quality is determined by ________.

  • operating frequency
  • coil winding resistance
  • the inductance of the coil
  • all of the above

  • 7. 
    In an inductor, current lags voltage by 90∘.

  • True
  • Fals

  • 8. 
    As frequency increases, inductive reactance increases.

  • True
  • False

  • 9. 
    The maximum rate of change of a sine wave occurs at 90∘ and 270∘

  • True
  • False

  • 10. 
    In A RL AC Circuit The sum of resistance and reactance is referred to as ________.

  • geometric resistance
  • conductance
  • impedance
  • susceptance
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