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Study MCQ
Electronics Mechanic
TRANSISTOR AMPLIFIER
Set 4
Set 4
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Q4511
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Which type of amplifier in used to operate the loud speaker?
A
IF amplifier
B
RF amplifier
C
Power amplifier
D
Voltage amplifier
Q4512
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What is the voltage gain in a transistor if the input voltage in 40mv and the output voltage in 3.6V?
A
45
B
90
C
180
D
270
Q4513
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What is the input impedence of darlington pair transistors?
A
Very low input impedance
B
Very high input impedance
C
Medium input impedance
D
Uniter
Q4514
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What is the advantage of using bias in transistor circuits?
A
Provides positive feed back
B
Never reach saturation
C
Easily sets saturated
D
Gives maximum distortion
Q4515
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Which class of amplifier uses fixed bias because of its imperent advantage of transistor will never go to saturation?
A
Class - A
B
Class - B
C
Class - AB
D
Class - C
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