RLC Circuits And Resonance MCQ

Test your knowledge with important RLC Circuits And Resonance MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more RLC Circuits And Resonance MCQs on Bissoy. Bissoy App

• The quality factor (Q) is the ratio of true power to apparent power.
  ক

  True

  খ

  False
• At series resonance, the inductive reactance and capacitive reactance are never equal.
  ক

  True

  খ

  False
• A series resonant circuit is commonly called a tank circuit.
  ক

  True

  খ

  False
• In a series RLC circuit, the current is minimum at resonance.
  ক

  True

  খ

  False
• In a series RLC circuit that is operating above the resonant frequency, the current
  ক

  Lags the applied voltage

  খ

  Leads the applied voltage

  গ

  Is in phase with the applied voltage

  ঘ

  Is zero
• If the value of C in a series RLC circuit is decreased, the resonant frequency
  ক

  Is not affected

  খ

  Increases

  গ

  Is reduced to zero

  ঘ

  Decreases
• If the resistance in parallel with a parallel resonant circuit is reduced, the bandwidth
  ক

  Disappears

  খ

  Becomes sharper

  গ

  Increases

  ঘ

  Decreases
• To tune a parallel resonant circuit to a higher frequency, the capacitance should be
  ক

  Increased

  খ

  Decreased

  গ

  Left alone

  ঘ

  Replaced with inductance
• In a series RLC circuit, the larger reactance determines the net reactance of the circuit.
  ক

  True

  খ

  False
• In a parallel RLC circuit, the smaller reactance determines the net reactance of the circuit.
  ক

  True

  খ

  False
• A lower Q produces a narrower bandwidth.
  ক

  True

  খ

  False
• If the value of C in a series RLC circuit is decreased, the resonant frequency increases
  ক

  True

  খ

  False
• Resonance is a condition in a series RLC circuit in which the capacitive and inductive reactances are equal in magnitude.
  ক

  True

  খ

  False