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.Management Sciences
Category: Transistor Audio Power Amplifiers
________________ coupling is generally employed in power amplifiers?
A. Transformer
B. RC
C. direct
D. Impedance
Class C amplifiers are used as ___________________?
A. AF amplifiers
B. Detectors
A. amplifiers
C. None of the above
An AF amplifier is shielded to ________________?
A. Keep the amplifier cool
B. Protect from rusting
C. Prevent induction due to stray magnetic fields
D. None of the above
Power amplifiers handle ______________ signals compare to voltage amplifiers?
A. Small
B. Very small
C. Large
D. None of the above
A class A power amplifier is sometimes called______________amplifier?
A. Symmetrical
B. Single-ended
C. Reciprocating
D. Differential
The push-pull circuit must use ______________ operation?
A. Class A
B. Class C
C. Class B
D. Class AB
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