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Electrician
Electrician Set-2
Electronic Practice
35

Electronic Practice MCQ with Answers

35) What is the main function of Uni Junction Transistor (UJT)?

Relaxation oscillator

Broadcast transmitter

Loud speaker amplifier

Microphone input device

Answer is:

Relaxation oscillator

Electronic Practice MCQ with Answers

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Related Electronic Practice MCQ with Answers

36) How the gate terminal of N channel JFET biased?

Gates are reverse biased

Gates are forward biased

Gates are forward biased with drain

Gates are reverse biased with source

Answer is:

Gates are reverse biased with source

37) Which device is made up of using the methods of point contact, grown, diffusion and alloy junctions?

Inductor

Resistor

Capacitor

Transistor

Answer is:

Transistor

38) Why the collector region is physically made larger than emitter region in a transistor?

It has to dissipate more heat

Output taken from collector terminal

Base collector region is reverse biased

Collector region always operate with high voltage

Answer is:

It has to dissipate more heat

39) What is the function of a transistor if emitter to base and collector to base are forward biased?

Acts as an amplifier

Acts as an oscillator

Acts as an open circuit

Acts as a closed switch

Answer is:

Acts as a closed switch

Electronic Practice MCQ with Answers

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