A series resistor is sometime added to the output of an op-amp amplifier circuit in order to control the output impedance, as shown in the figure below: R1 VIN O R2 ROUT VOUT + Which one of the following statements correctly describes the behaviour of the circuit in this situation? A Negative feedback ensures that the overall output voltage will always be correct. B The overall output voltage will depend on the external load resistance. The additional output resistor compensates for the op-amp's internal resistance. (D) The overall output voltage will be half the value of the op-amp's output voltage. For a typical op-amp circuit with negative feedback, which one of the following statements is true? (A) Open-loop gain is lower than closed-loop gain; Feedback controls closed-loop gain. B Open-loop gain is lower than closed-loop gain; Feedback controls open-loop gain. (C) Open-loop gain is higher than closed-loop gain; Feedback controls open-loop gain. (D) Open-loop gain is higher than closed-loop gain; Feedback controls closed-loop gain.

A series resistor is sometime added to the output of an op-amp amplifier circuit in order to control the output impedance, as shown in the figure below: R1 VIN O R2 ROUT VOUT + Which one of the following statements correctly describes the behaviour of the circuit in this situation? A Negative feedback ensures that the overall output voltage will always be correct. B The overall output voltage will depend on the external load resistance. The additional output resistor compensates for the op-amp's internal resistance. (D) The overall output voltage will be half the value of the op-amp's output voltage. For a typical op-amp circuit with negative feedback, which one of the following statements is true? (A) Open-loop gain is lower than closed-loop gain; Feedback controls closed-loop gain. B Open-loop gain is lower than closed-loop gain; Feedback controls open-loop gain. (C) Open-loop gain is higher than closed-loop gain; Feedback controls open-loop gain. (D) Open-loop gain is higher than closed-loop gain; Feedback controls closed-loop gain.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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