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.Management Sciences
Category: Amplifiers with Negative Feedback
Emitter follower is used for ________________?
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A. Current gain
B. Impedance matching
C. Voltage gain
D. None of the above
Emitter follower is a _______________circuit?
A. Voltage feedback
B. Current feedback
C. Both voltage and current feedback
D. None of the above
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
Negative feedback is employed in __________________?
A. Oscillators
B. Rectifiers
C. Amplifiers
D. None of the above
When current 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
A feedback circuit usually employs _________________ network?
A. Resistive
B. Capacitive
C. Inductive
D. None of the above
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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