MCQs on Oscillator for NEET 2020

NEET  Physics is the scoring paper in the medical entrance examination. Here, you will discover the NEET Physics MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Physics objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Physics Oscillator Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Oscillator

1. Which among the following parameters acts as an initiator for the operation of an oscillator in the absence of input signal?
(a) Noise figure
(b) Noise voltage
(c) Noise power
(d) Noise temperature


Answer: (b) Noise voltage

2. Multivibrators belongs to which of the following category?
(a) Square wave oscillators
(b) Sinusoidal oscillators
(c) Ramp wave oscillators
(d) Triangular wave oscillators


Answer: (a) Square wave oscillators

3. Which among the below-mentioned oscillators does not adopt any kind of feedback mechanism?
(a) Wein bridge oscillator
(b) UJT relaxation oscillator
(c) Phase-shift oscillator
(d) All of the above


Answer: (b) UJT relaxation oscillator

4. In an LC oscillator, the frequency of the oscillator is……………… L or C.
(a) Proportional to square of
(b) Directly proportional to
(c) Independent of the values of
(d) Inversely proportional to the square root of


Answer: (d) Inversely proportional to the square root of

5. An oscillator produces……………. oscillations
(a) Damped
(b) Undamped
(c) Modulated
(d) None of the above


Answer: (b) Undamped

6.: An oscillator employs ……………… feedback
(a) Positive
(b) Negative
(c) Neither positive nor negative
(d) Data insufficient


Answer: (a) Positive

7. Which of the following is not an example for the non-sinusoidal oscillator?
(a) Sawtooth Generators
(b) Blocking oscillators
(c) Multivibrator
(d) Crystal oscillators


Answer: (d) Crystal oscillators

8. The sinusoidal oscillator is also called
(a) LC oscillator
(b) Harmonic oscillator
(c) RC oscillator
(d) Crystal oscillators


Answer: (b) Harmonic oscillator

9. Which of the following oscillators cannot be used in low-frequency oscillations?
(a) Wein bridge oscillators
(b) RC phase shift oscillators
(c) Colpitts oscillators
(d) RC oscillators


Answer: (c) Colpitts oscillators

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