Computer Programming MCQs

5739 MCQs  (Page 221 of 574)

Attempt Computer Programming MCQs Quiz
Emitter follower is a _______________circuit?
A. Voltage feedback
B. Current feedback
C. Both voltage and current feedback
D. None of the above
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The arrow in the symbol of a transistor indicates the direction of____________?
A. Electron current in the emitter
B. Electron current in the collector
C. Hole current in the emitter
D. Donor ion current
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When a negative voltage feedback is applied to an amplifier, its bandwidth_____________?
A. Is increased
B. Is decreased
C. Remains the same
D. Insufficient data
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Emitter follower is used for________________?
A. Current gain
B. Impedance matching
C. Voltage gain
D. None of the above
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When voltage feedback (negative) is applied to an amplifier, its input impedance _______________?
A. Is decreased
B. Is increased
C. Remains the same
D. None of the above
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The phase difference between the input and output voltages of a transistor connected in common collector arrangement is_____________?
A. 1800
B. 00
C. 900
D. 2700
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The phase difference between the input and output voltages of a transistor connected in common emitter arrangement is___________?
A. 0o
B. 180o
C. 90o
D. 270o
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In a transistor if ß = 100 and collector current is 10 mA, then IE is___________?
A. 100 ma
B. 100.1 ma
C. 110 ma
D. None of the above
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At the base-emitter junctions of a transistor, one finds___________?
A. A reverse bias
B. A wide depletion layer
C. Low resistance
D. None of the above
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The base of a transistor is____________doped?
A. Heavily
B. Moderately
C. Lightly
D. None of the above
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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