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Electrician
Electrician Set-1
Oscillators
67

Oscillators MCQ - Electrician (Set-1) with Answers

67) The astable multivibrator can be used as a :

voltage controlled oscillator

diode

ripple filter

power amplifier

Answer is:

voltage controlled oscillator

Oscillators MCQ - Electrician (Set-1) with Answers

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

68) Application of Astable multivibrator is :

electronic piano

counter

timer

memory element

Answer is:

electronic piano

69) Calculate the frequency produced by astable multivibrator if each stage is ON or OFF for time 0.5 milli second.

500 Hz

1000 Hz

2000 Hz

3000 Hz

Answer is:

2000 Hz

70) How many stable states has a bistable multivibrator ?

One

Two

Three

Four

Answer is:

Two

71) The relaxation oscillator is one of the applications of :

Field Effect Transistor (FET)

Bipolar transistor

Uni-Junction Transistor (UJT)

Silicon Controlled Rectifier (SCR)

Answer is:

Uni-Junction Transistor (UJT)

Oscillators MCQ - Electrician (Set-1) with Answers

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