Q: An oscillator employs ……………… feedback
- Positive
- Negative
- Neither positive nor negative
- Data insufficient
Answer: (1) Positive
Q: Which of the following is not an example for the non-sinusoidal oscillator?
- Sawtooth Generators
- Blocking oscillators
- Multivibrator
- Crystal oscillators
Answer: (4) Crystal oscillators
Q: The sinusoidal oscillator is also called
- LC oscillator
- Harmonic oscillator
- RC oscillator
- Crystal oscillators
Answer: (2) Harmonic oscillator
Q: Which of the following oscillators cannot be used in low-frequency oscillations?
- Wein bridge oscillators
- RC phase shift oscillators
- Colpitts oscillators
- RC oscillators
Answer: (3) Colpitts oscillators
Q: Which among the following parameters acts as an initiator for the operation of an oscillator in the absence of input signal?
- Noise figure
- Noise voltage
- Noise power
- Noise temperature
Answer: (2) Noise voltage
Q: Multivibrators belongs to which of the following category?
- Square wave oscillators
- Sinusoidal oscillators
- Ramp wave oscillators
- Triangular wave oscillators
Answer: (1) Square wave oscillators
Q: Which among the below-mentioned oscillators does not adopt any kind of feedback mechanism?
- Wein bridge oscillator
- UJT relaxation oscillator
- Phase-shift oscillator
- All of the above
Answer: (2) UJT relaxation oscillator
Q: In an LC oscillator, the frequency of the oscillator is……………… L or C.
- Proportional to square of
- Directly proportional to
- Independent of the values of
- Inversely proportional to the square root of
Answer: (4) Inversely proportional to the square root of
Q: An oscillator produces……………. oscillations
- Damped
- Undamped
- Modulated
- None of the above
Answer: (2) Undamped