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ITI
Electronic Mechanic
Electronic Mechanic Set-1
Transistor Amplifier
21

Transistor Amplifier MCQ with Answers

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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Related Transistor Amplifier MCQ with Answers

22) Which parameter of passive component can be calculated using the formula ?

Capacitance

Inductance

Capacitive reactance

Inductive reactance

Answer is:

Capacitive reactance

23) Which type of amplifier is used to operate the loud speaker?

IF Amplifier

RF Amplifier

Power Amplifier

Voltage Amplifier

Answer is:

Power Amplifier

24) What is the advantage of silicon over germanium for transistor fabrication?

Lower thermal stability

Higher thermal stability

Lower operating voltage

Higher amplification factor

Answer is:

Higher thermal stability

25) What is the effeciency transformer coupled class A amplifier?

Less than 20%

About 50%

More than 60%

Unity

Answer is:

About 50%

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