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.Management Sciences
Category: Single Stage Transistor Amplifiers
If a transistor amplifier feeds a load of low resistance (e.g. speaker), then voltage gain will be_______________?
0
A. High
B. Very high
C. Moderate
D. Low
The value of collector load RC in a transistor amplifier is _______________the output impedance of the transistor?
A. The same as
B. Less than
C. More than
D. None of the above
The point of intersection of d.c. and a.c. load lines is called________________?
A. Saturation point
B. Cut off point
C. Operating point
D. None of the above
In the a.c. equivalent circuit of a transistor amplifier, the capacitors are considered ___________________?
A. Short
B. Open
C. Partially open
D. None of the above
The radio wave picked up by the receiving antenna is amplified about _________________ times to have reasonable sound output?
A. 1000
B. A million
C. 100
D. 10000
It is generally desired that a transistor should have_____________________ input impedance?
A. Low
B. Very low
C. High
D. Very high
For highest power gain, one would use _________________configuration?
A. CC
B. CB
C. CE
D. none of the above
In the zero signal conditions, a transistor sees _____________ load?
A. c.
B. c.
C. both d.c. and a.c.
D. none of the above
An amplifier has a power gain of 100. Its db gain is ________________?
A. 10 db
B. 20 db
C. 40 db
D. None of the above
A transistor converts __________________?
A. c. power into a.c. power
B. c. power into d.c. power
C. high resistance into low resistance
D. none of the above
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