R, V OUT
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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Transcribed Image Text:### Operational Amplifier Circuit Analysis
#### Circuit Diagram Description
The diagram illustrates an operational amplifier (Op-Amp) circuit with the following components:
- **Resistor \( R_{IN} \)** connected to the inverting input (-) of the Op-Amp.
- **Resistor \( R_F \)** as a feedback resistor between the output \( V_{OUT} \) and the inverting input (-).
- The non-inverting input (+) is connected to the ground.
#### Explanation
Let the currents and node voltages for the Op-Amp circuit be defined as follows:
- **\( I_1 \)**: Represents the current flowing through \( R_{IN} \) from left to right.
- **\( V_b \)**: Voltage at the inverting input (-).
#### Problem Statement
Express \( I_1 \) in terms of the node voltages \( V_{IN} \) and \( V_b \) (voltage at inverting input).
#### Multiple Choice Options
- \( V_b - V_{IN} \)
- \( V_{IN} - V_b \)
- \( (V_b - V_{IN})/R_{IN} \)
- \( (V_{IN} - V_b) / R_{IN} \)
- \(-V_{IN}/R_{IN}\)
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