## Physics MCQ on Oscillator for NEET, JEE, Medical and Engineering Exam 2021

MCQ on Oscillator: Previous trends reveal that NEET/JEE aspirants find Physics as the most challenging section amongst the other sections. But most of them fail to decipher the reason behind this. This particularly can be as the candidates taking up this examination are predominantly medical aspirants with their subject of interest being Biology. Also, sections like Physics are more on theories, laws, numerical as opposed to Biology which is more of fact-based, life sciences and comprising of substantial explanations. In this post we are providing you MCQ on Oscillator, which will be beneficial for you in upcoming NEET, AIIMS, JEE, WBJEE, Medical and Engineering Exams.

## MCQ on Oscillator

Q1. 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

(d) Inversely proportional to the square root of

Q2. An oscillator employs ________ feedback
a) Positive
b) Negative
c) Neither positive nor negative
d) Data insufficient

(a) Positive

Q3. 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

(b) Noise voltage

Q4. Which of the following is not an example for the non-sinusoidal oscillator?
a) Sawtooth Generators
b) Blocking oscillators
c) Multivibrator
d) Crystal oscillators

(d) Crystal oscillators

Q5. The sinusoidal oscillator is also called ________.
a) LC oscillator
b) Harmonic oscillator
c) RC oscillator
d) Crystal oscillators

(b) Harmonic oscillator

Q6. Multivibrators belongs to which of the following category?
a) Square wave oscillators
b) Sinusoidal oscillators
c) Ramp wave oscillators
d) Triangular wave oscillators

(a) Square wave oscillators

Q7. 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

(c) Colpitts oscillators

Q8. An oscillator produces ________ oscillations.
a) Damped
b) Undamped
c) Modulated
d) None of the above

(b) Undamped

Q9. 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

(b) UJT relaxation oscillator  