Oscillators MCQ Questions & Answers | Electrical Engineering

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1.
In an LC oscillator, the frequency of oscillator is ___________ L or C.

A. Proportional to square of

B. Directly proportional to

C. Independent of the values of

D. Inversely proportional to square root of

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2.
Quartz crystal is most commonly used in crystal oscillators because ___________

A. It has superior electrical properties

B. It is easily available

C. It is quite inexpensive

D. None of the above

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3.
In a certain oscillator Av = 50. The attention of the feedback circuit must be ___________

A. 1

B. 1

C. 10

D. 2

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4.
Hartley oscillator is commonly used in ___________

A. Radio receivers

B. Radio transmitters

C. TV receivers

D. None of the above

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5.
The crystal oscillator frequency is very stable due to ___________ of the crystal

A. Rigidity

B. Vibrations

C. Low Q

D. High Q

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