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Electronic Mechanic
Electronic Mechanic Set-1
Transistor Amplifier
17

Transistor Amplifier MCQ with Answers

17) What is the voltage gain in a transistor if the input voltage in 40mv and the output voltage in 3.6V?

45

90

180

270

Answer is:

90

Transistor Amplifier MCQ with Answers

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Related Transistor Amplifier MCQ with Answers

18) What is the input impedence of darlington pair transistors?

Very low input impedance

Very high input impedance

Medium input impedance

Uniter

Answer is:

Very high input impedance

19) What is the advantage of using bias in transistor circuits?

Provides positive feed back

Never reach saturation

Easily sets saturated

Gives maximum distortion

Answer is:

Never reach saturation

20) Which class of amplifier uses fixed bias because of its imperent advantage of transistor will never go to saturation?

Class - A

Class - B

Class - AB

Class - C

Answer is:

Class - A

21) How does the values of bias resistors selected for collector current in class -B amplifiers?

Q point set slightly below cut-off

Quiescent current at mid point

Quiescent current beyond the cut-off point

Quiescent current over the cut-off value

Answer is:

Quiescent current over the cut-off value

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