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Question 7 The op-amp in the amplifier circuit is ideal, except that its differential gain is not infinite. Rather, it is 85 dB. For some input voltage, a student measures the output voltage as +2 V. What is the difference in voltage at the inverting and non-inverting inputs? That is, what is V – V,? ( R2 ww R1 v ww vo

Question 7 The op-amp in the amplifier circuit is ideal, except that its differential gain is not infinite. Rather, it is 85 dB. For some input voltage, a student measures the output voltage as +2 V. What is the difference in voltage at the inverting and non-inverting inputs? That is, what is V – V,? ( R2 ww R1 v ww vo

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Question 7 The op-amp in the amplifier circuit is ideal, except that its differential gain is not infinite. Rather, it is 85 dB. For some input voltage, a student measures the output voltage as +2 V. What is the difference in voltage at the inverting and non-inverting inputs? That is, what is V – V,?( R2 ww R1
Transcribed Image Text:Question 7 The op-amp in the amplifier circuit is ideal, except that its differential gain is not infinite. Rather, it is 85 dB. For some input voltage, a student measures the output voltage as +2 V. What is the difference in voltage at the inverting and non-inverting inputs? That is, what is V – V,?( R2 ww R1
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The gain is given as 85dB, evaluating the finite value of the gain:

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