When voltage feedback (negative) is applied to an amplifier, its input impedance _______________?

Related Mcqs:

The gain of an amplifier with feedback is known as____________gain?

A. Resonant B. Open loop C. Closed loop 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...

Negative feedback is employed in __________________?

A. Oscillators B. Rectifiers C. Amplifiers D. None of the above...

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...