[Answered] Which of these amplifiers provides a high input resistance and a variable gain? A) open-loop amp ...

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storky111

Hero Member
Posts: 561

on: Jul 28, 2018

Which of these amplifiers provides a high input resistance and a variable gain?

A) open-loop amp B) non-inverting amp with a rheostat as Rf.
C) voltage-follower amp D) inverting amp

Question 2

One characteristic of a voltage follower is its ________.

A) large voltage gain B) high output impedance
C) phase inversion D) non-inversion

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aprice35067

Sr. Member
Posts: 337

Reply #1 on: Jul 28, 2018

Answer to Question 1

B

Answer to Question 2

D

storky111

Hero Member
Posts: 561

Reply #2 on: Jul 28, 2018

aprice35067

Sr. Member
Posts: 337

Reply #3 on: Jul 28, 2018

You're welcome

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