In the circuit shown in the figure, let L = 7.40 H, R = 5.90 ohms and E = 120 V. What is the self induced emf 0.200 s after the switch is closed?
In the circuit shown in the figure, let L = 7.40 H, R = 5.90 ohms and E = 120 V. What is the self induced emf 0.200 s after the switch is closed?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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In the circuit shown in the figure, let L = 7.40 H, R = 5.90 ohms and E = 120 V. What is the self induced emf 0.200 s after the switch is closed?
Transcribed Image Text:**Circuit Diagram Overview**
The image shows an electrical circuit diagram comprising the following components:
- **Voltage Source (\( \epsilon \))**: Represented by two parallel lines, with a positive (+) and a negative (-) terminal. It provides the electromotive force needed to drive current around the circuit.
- **Switch (S)**: Indicated by two open circles connected by a line, the switch is currently shown in the open position. It controls the flow of current in the circuit.
- **Inductor (L)**: Depicted by a series of loops or coils. It stores energy in the form of a magnetic field when current flows through it.
- **Resistor (R)**: Illustrated by a zigzag line. It opposes the flow of current, converting some of the electrical energy into heat.
- **Current (\( i \))**: This notation represents the direction of current flow in the circuit, though not graphically displayed, is assumed to flow clockwise from the positive terminal.
**Functionality Description**
The circuit is a simple RL (Resistor-Inductor) series circuit powered by a voltage source. When the switch (S) is closed, current flows through the resistor (R) and the inductor (L), and the circuit performs functions according to the principles of electromagnetism and Ohm's law. The resistor limits the current flow, while the inductor initially resists changes in current and eventually allows steady current flow.
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