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.Management Sciences
Category: Single Stage Transistor Amplifiers
The purpose of capacitors in a transistor amplifier is to___________________?
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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
The ratio of output impedance of a CE amplifier is _______________?
A. About 1
B. Low
C. High
D. Moderate
In transistor amplifiers, we generally use______________ capacitors?
A. Electrolytic
B. Mica
C. Paper
D. Air
The slope of a.c. load line is ______________ that of d.c. load line?
A. The same as
B. More than
C. Less than
D. None of the above
When an a.c. signal is applied to an amplifier, ,the operating point moves along_________________?
A. c. load line
B. c. load line
C. both d.c. and a.c. load lines
D. none of the above
A CE amplifier is also called _______________ circuit?
A. Grounded emitter
B. Grounded base
C. Grounded collector
D. None of the above
In order to get more voltage gain from a transistor amplifier, the transistor used should have_________________?
A. Thin base
B. Thin collector
C. Wide emitter
D. None of the above
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