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.Management Sciences
Category: Single Stage Transistor Amplifiers
The radio wave picked up by the receiving antenna is amplified about _________________ times to have reasonable sound output?
0
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
A single stage transistor amplifier contains______________ and associated circuitry?
A. Two transistors
B. One transistor
C. Three transistor
D. None of the above
The purpose of capacitors in a transistor amplifier is to___________________?
A. Protect the transistor
B. Cool the transistor
C. Couple or bypass a.c. component
D. Provide biasing
The purpose of emitter capacitor (i.e. capacitor across RE) is to ______________?
A. Avoid voltage gain drop
B. Forward bias the emitter
C. Reduce noise in the amplifier
D. None of the above
If the power and current gains of a transistor amplifier are 16500 and 100 respectively, then voltage gain is_____________________?
A. 165
B. 165 x 104
C. 100
D. None of the above
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