Oscillators MCQ

Below Oscillators quiz are Multiple Choice Questions (MCQs) type Quiz. These Oscillators MCQ Questions helps you to refresh your Oscillators, you can see the correct option by clicking on it. .
  • 1. An oscillator differs from an amplifier because it

    • Has more gain
    • Requires no input signal
    • Requires no d.c. supply
    • Always has the same input
  • 2. An oscillator produces___________ oscillations

    • Damped
    • Undamped
    • Modulated
    • None of the above
  • 3. In an LC oscillator, if the value of L is increased four times, the frequency of oscillations is ___________

    • Increased 2 times
    • Decreased 4 times
    • Increased 4 times
    • Decreased 2 times
  • 4. For an oscillator to properly start, the gain around the feedback loop must initially be

    • 1
    • Greater than 1
    • Less than 1
    • Equal to attenuation of feedback circuit
  • 5. One condition for oscillation is ___________

    • A phase shift around the feedback loop of 180°
    • A gain around the feedback loop of one-third
    • A phase shift around the feedback loop of 0°
    • A gain around the feedback loop of less than 1