A feedback circuit usually employs _________________ network?

The output impedance of an emitter follower is______________?

A. High

B. Very high

C. Almost zero

D. Low

When negative voltage feedback is applied to an amplifier, its voltage gain ____________?

A. Is increased

B. Is reduced

C. Remains the same

D. None of the above

The value of negative feedback fraction is always _______________?

A. Less than 1

B. More than 1

C. Equal to 1

D. None of the above

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

The gain of an amplifier with feedback is known as____________gain?

A. Resonant

B. Open loop

C. Closed loop

D. None of the above