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
Answer: Option D
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Related Questions on Amplifiers With Negative Feedback
Emitter follower is a ___________ circuit
A. Voltage feedback
B. Current feedback
C. Both voltage and current feedback
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
100db - 3db = 97db
can someone help with the explanation
How..?