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Electrician
Electrician Set-1
Oscillators
51

Oscillators MCQ - Electrician (Set-1) with Answers

51) What is used for accurate and stable time base circuit in a digital frequency meter.

quartz

Rochelle salt

aluminium

carbon

Answer is:

quartz

Oscillators MCQ - Electrician (Set-1) with Answers

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Related Oscillators MCQ - Electrician (Set-1) with Answers

52) A 555 timer can be used as

an astable multivibrator only

a monostable multivibrator only

a frequency divider only

an astable multivibrator or a monostable multivibrator or a frequency divider

Answer is:

an astable multivibrator or a monostable multivibrator or a frequency divider

53) Square wave generator is a special type of

variable frequency oscillator

sweep frequency generator

function generator and pulse generator

none of the above

Answer is:

function generator and pulse generator

54) IC 555 is available as a

4 pin DIL package

8 pin DIL package

14 pin DIL package

16 pin DIL package

Answer is:

8 pin DIL package

55) The ratio of ON-time of a pulse to the OFF time of the pulse in a IC 555 is known as :

PRF

Duty cycle

Time cycle

ON cycle

Answer is:

Duty cycle

Oscillators MCQ - Electrician (Set-1) with Answers

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