Resistance B. Zero Ohm Output Resistance C. Input terminals do not let current to flow D. Infinite gain   3. Op-amp closed loop gain varies A. True B. Depending on the resistor values used C. Not

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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1. The virtual short is applicable

A. If one of the input is tied to the ground

B. Only if there is a feedback

C. All the time

D. Depending on the components used

 

2. What ideal characteristic of Op-Amp contributes to the Virtual Short concept?

A. Zero Ohm Input Resistance

B. Zero Ohm Output Resistance

C. Input terminals do not let current to flow

D. Infinite gain

 

3. Op-amp closed loop gain varies

A. True

B. Depending on the resistor values used

C. Not applicable

D. False

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