Oscillators Mcqs

This set of Electrical engineering Multiple Choice Questions & Answers (MCQs) focuses on study of “Oscillators”. These questions are chosen from a collection of most authoritative and best reference books on Electrical engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Oscillators Mcqs comprehensively.

  1. Home
  2. »
  3. Engineering
  4. »
  5. Electrical Engineering Mcqs
  6. »
  7. Oscillators Mcqs

Computer MCQS

Sciences MCQS

2.
If the crystal frequency changes with temperature, we say that crystal has___________temperature coefficient?

Positive

Zero

Negative

None of the above

Answer Discus (0)

4.
In an LC transistor oscillator, the active device is___________?

LC tank circuit

Biasing circuit

Transistor

None of the above

Answer Discus (0)

5.
An oscillator employs___________feedback?

Positive

Negative

Neither positive nor negative

Data insufficient

Answer Discus (0)

7.
The application where one would most likely find a crystal oscillator is____________?

Radio receiver

Radio transmitter

AF sweep generator

None of the above

Answer Discus (0)

9.
____________is a fixed frequency oscillator?

Phase-shift oscillator

Hartely-oscillator

Colpitt’s oscillator

Crystal oscillator

Answer Discus (0)

10.
An important limitation of a crystal oscillator is____________?

Its low output

Its high Q

Less availability of quartz crystal

Its high output

Answer Discus (0)

12.
In a Wien-bridge oscillator, if the resistances in the positive feedback circuit are decreased, the frequency____________?

Remains the same

Decreases

Increases

Insufficient data

Answer Discus (0)

13.
A second condition for oscillations is____________?

A gain of 1 around the feedback loop

No gain around the feedback loop

The attention of the feedback circuit must be one-third

The feedback circuit must be capacitive

Answer Discus (0)

14.
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

Answer Discus (0)

15.
The piezoelectric effect in a crystal is___________?

A voltage developed because of mechanical stress

A change in resistance because of temperature

A change in frequency because of temperature

None of the above

Answer Discus (0)

Engineering MCQS

General Subjects MCQS

0Shares
0
Scroll to Top