when voltage feedback (negative) is applied to an amplifier, its input impedance ___________ Options: A . &nbsp Is decreased B . &nbsp Is increased C . &nbsp Remains the same D . &nbsp None of the above

when voltage feedback (negative) is applied to an amplifier, its input impedance

Question

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

Options:

A . Is decreased

B . Is increased

C . Remains the same

D . None of the above

Answer: Option B

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Next Question

Question 1. The output impedance of an emitter follower is______________?....

Question 2. If the feedback fraction of an amplifier is 0.01, then voltage gain with negative feedback is approximately_____________....is 0.01, then voltage gain with negative feedback is approximately________________?

Question 3. The value of negative feedback fraction is always _______________?....

Question 4. The gain of an amplifier with feedback is known as____________gain?....

Question 5. When negative voltage feedback is applied to an amplifier, its voltage gain ____________?....

Question 6. 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____....is fed back to the input, then feedback fraction is_____________?

Question 7. When current feedback (negative) is applied to an amplifier, its input impedance _____________?....

Question 8. A feedback circuit usually employs _________________ network?....

Question 9. When current feedback (negative) is applied to an amplifier, its output impedance ________________?....

Question 10. Negative feedback is employed in __________________?....

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