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.Management Sciences
Category: Single Stage Transistor Amplifiers
In a CE amplifier, the phase difference between voltage across collector load RC and signal voltage is _________________?
0
A. 180o
B. 270o
C. 90o
D. 0o
A transistor amplifier has high output impedance because ______________?
A. Emitter is heavily doped
B. Collector has reverse bias
C. Collector is wider than emitter or base
D. None of the above
If the input capacitor of a transistor amplifier is short-circuited, then_________________?
A. Transistor will be destroyed
B. Biasing conditions will change
C. Signal will not reach the base
D. None of the above
The d.c. load of a transistor amplifier is generally_______________ that of a a.c. load?
A. The same as
B. Less than
C. More than
D. None of the above
The phase difference between the output and input voltages of a CE amplifier is _____________?
A. 180o
B. 0o
C. 90o
D. 270o
The output power of a transistor amplifier is more than the input power because the additional power is supplied by__________________?
A. Transistor
B. Biasing circuit
C. Collector supply VCC
D. None of the above
If a transistor amplifier feeds a load of low resistance (e.g. speaker), then voltage gain will be_______________?
A. High
B. Very high
C. Moderate
D. Low
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