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Electrician
Electrician Set-1
Semi Conductor Devices
6

Semi Conductor Devices MCQ - Electrician (Set-1) with Answers

6) What is the possible reason of excessive heating of the emitter bypass capacitor ?

Very high capacitance value of emitter bypass capacitor

Low voltage rating of emitter bypass capacitor

Reverse connection of emitter bypass capacitor

As mentioned in points B and C

Answer is:

Reverse connection of emitter bypass capacitor

Semi Conductor Devices MCQ - Electrician (Set-1) with Answers

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Related Semi Conductor Devices MCQ - Electrician (Set-1) with Answers

7) Which of the following components fails most frequently in amplifiers ?

Resistor

Transistor

Electrolytic capacitor

Ceramic capacitor

Answer is:

Electrolytic capacitor

8) The minimum value of input coupling capacitor for 20 Hz to 20 kHz amplifier should be atleast ?

10 degree F

1 degree F

4.7 degree F

10 degree F

Answer is:

4.7 degree F

9) In a CE amplifier, the voltage gain of the circuit is reduced to _____ times of its maximum value (mid frequency) value at the cut-off frequency.

0.9

0.707

0.637

0.5

Answer is:

0.707

10) The gain (voltage or current) of a CE amplifier is highest at ?

high frequency

low frequency

mid frequency

all frequency

Answer is:

mid frequency

Semi Conductor Devices MCQ - Electrician (Set-1) with Answers

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