Computer Programming MCQs

5739 MCQs  (Page 499 of 574)

Attempt Computer Programming MCQs Quiz
Transformer coupling is used for__________amplification?
A. Power
B. Voltage
C. Current
D. None of the above
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The noise factor of an ideal amplifier expressed in db is_____________?
A. 0
B. 1
C. 1
D. 10
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Transformer coupling provides high efficiency because___________?
A. Collector voltage is stepped up
B. Resistance is low
C. Collector voltage is stepped down
D. None of the above
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In an RC coupled amplifier, the voltage gain over mid-frequency range_____________?
A. Changes abruptly with frequency
B. Is constant
C. Changes uniformly with frequency
D. None of the above
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An advantage of RC coupling scheme is the___________?
A. Good impedance matching
B. Economy
C. High efficiency
D. None of the above
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A single stage transistor amplifier with collector load RC and emitter resistance RE has a d.c. load of ________________________?
A. Rc
B. Rc || re
C. Rc – re
D. Rc + re
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A radio receiver has____________of amplification?
A. One stage
B. Two stages
C. Three stages
D. More than one stages
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RC coupling is used for_____________amplification?
A. Voltage
B. Current
C. Power
D. None of the above
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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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For highest power gain, one would use _________________configuration?
A. Cc
B. Cb
C. Ce
D. None of the above
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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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