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Electronics Mechanic
TRANSISTOR AMPLIFIER
Set 3
Set 3
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Q4506
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Why transistors made of silicon is preferred over the germanium semiconductor material?
A
Complex design
B
Higher thermal stability
C
Requires complicated bias arrangement
D
Silicon transistor needs low cut-in-voltage
Q4507
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Why NPN type of transistors are preferred over the PNP type transistors?
A
NPN has lower switching speed
B
NPN has good bias stability
C
NPN has higher switching speed
D
Low operating voltage
Q4508
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Which type of transistors are required to amplify signals from the microphone /transducer?
A
Low power transistors
B
Medium power transistors
C
High power transistors
D
Epitaxial versa watt transistors
Q4509
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What type of packaging is generally used to transistors utilized for low power amplification?
A
Metal packaging
B
Plastic packaging
C
Ceramic packaging
D
Plastic packaging with metal heatsinks
Q4510
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Which type of packaging is used to transistors utilized for medium power amplification?
A
Plastic packaging with metal heatsinks
B
Ceramic packaging
C
Plastic packaging
D
Metal packaging
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