Computer Programming MCQs

5739 MCQs  (Page 220 of 574)

Attempt Computer Programming MCQs Quiz
A transistor is connected in CB mode. If it is not connected in CE mode with same bias voltages, the values of IE, IB and IC will____________?
A. Remain the same
B. Increase
C. Decrease
D. None of the above
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The gain of an amplifier without feedback is 100 db. If a negative feedback of 3 db is applied, the gain of the amplifier will become______________?
A. 5 db
B. 300 db
C. 103 db
D. 97 db
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In a transistor, signal is transferred from a___________circuit?
A. High resistance to low resistance
B. Low resistance to high resistance
C. High resistance to high resistance
D. Low resistance to low resistance
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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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A heat sink is generally used with a transistor to______________?
A. Increase the forward current
B. Decrease the forward current
C. Compensate for excessive doping
D. Prevent excessive temperature rise
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The collector-base junction in a transistor has___________?
A. Forward bias at all times
B. Reverse bias at all times
C. Low resistance
D. None of the above
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The voltage gain of an emitter follower is _____________?
A. Much less than 1
B. Approximately equal to 1
C. Greater than 1
D. None of the above
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If voltage feedback (negative) is applied to an amplifier, its output impedance ______________?
A. Remains the same
B. Is increased
C. Is decreased
D. None of the above
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The most commonly used semiconductor in the manufacture of a transistor is_____________?
A. Germanium
B. Silicon
C. Carbon
D. None of the above
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An emitter follower has ______________input impedance?
A. Zero
B. Low
C. High
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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