Computer Programming MCQs

5739 MCQs  (Page 501 of 574)

Attempt Computer Programming MCQs Quiz
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
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The purpose of a coupling capacitor in a transistor amplifier is to ___________________?
A. Increase the output impedance of transistor
B. Protect the transistor
C. Pass a.c. and block d.c.
D. Provide biasing
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The ratio of output impedance of a CE amplifier is _______________?
A. About 1
B. Low
C. High
D. Moderate
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The purpose of emitter capacitor (i.e. capacitor across RE) is to ______________?
A. Avoid voltage gain drop
B. Forward bias the emitter
C. Reduce nosie in the amplifier
D. None of the above
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In the d.c. equivalent circuit of a transistor amplifier, the capacitors are considered__________________?
A. Short
B. Open
C. Partially short
D. None of the above
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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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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
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The purpose of d.c. conditions in a transistor is to___________________?
A. Reverse bias the emitter
B. Forward bias the collector
C. Set up operating point
D. None of the above
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If RC and RL represent the collector resistance and load resistance respectively in a single stage transistor amplifier, then a.c. load is____________________?
A. Rl + rc
B. Rc || rl
C. Rl – rc
D. Rc
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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
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Word of the Day
17 Jul
Flagrant
(of an action considered wrong or immoral) conspicuously or obviously offensive.
انتہائی برا، قابل مذمت، فاش

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