Computer Programming MCQs

5739 MCQs  (Page 218 of 574)

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An oscillator produces___________oscillations?
A. Damped
B. Undamped
C. Modulated
D. None of the above
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The element that has the biggest size in a transistor is____________?
A. Collector
B. Base
C. Emitter
D. Collector-base-junction
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If the output of an amplifier is 10 V and 100 mV from the output is fed back to the input, then feedback fraction is_____________?
A. 10
B. 1
C. 01
D. 15
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A transistor has____________?
A. One pn junction
B. Two pn junctions
C. Three pn junctions
D. Four pn junctions
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A transistor is a___________operated device?
A. Current
B. Voltage
C. Both voltage and current
D. None of the above
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In a transistor, the base current is about_________of emitter current?
A. 25%
B. 20%
C. 35 %
D. 5%
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Most of the majority carriers from the emitter____________?
A. Recombine in the base
B. Recombine in the emitter
C. Pass through the base region to the collector
D. None of the above
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In a transistor ______________?
A. Ic = ie + ib
B. Ib = ic + ie
C. Ie = ic – ib
D. Ie = ic + ib
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The gain of an amplifier with feedback is known as____________gain?
A. Resonant
B. Open loop
C. Closed loop
D. None of the above
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If the feedback fraction of an amplifier is 0.01, then voltage gain with negative feedback is approximately________________?
A. 500
B. 100
C. 1000
D. 5000
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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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