
Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Textbook Question
Chapter 13, Problem 1SQ
Draw a simple circuit showing how a red pilot light is energized when a limit switch is operated by a moving object.
Expert Solution & Answer

To determine
Draw a simple circuit to show how a red pilot light is energized by a moving object.
Explanation of Solution
Limit switch is a device used to convert mechanical motion into an electrical signal to switch circuits.
Refer to Figure 1, which shows that the symbol of limit switch is in normally open condition.
When the moving object or moving machine strikes on the operating lever of the limit switch, then the position of the switch becomes normally closed condition. Therefore, the switch gets actuated and the red pilot light is energized.
Conclusion:
Thus, a simple circuit is drawn for a red pilot light by a moving object.
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Students have asked these similar questions
Q1/Sketch the root locus for the system shown in Figure 1 and find the following:
a. The exact point and gain where the locus crosses the jo-axis b. The breakaway point
on the real axis c. The range of K within which the system is stable d. Angles of
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R(s) +
K(s²-4s +20)
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Exam2
Subject: (Numerical Analysis)
Class: Third
Date: 27/4/2025
Time: 60 minutes
Q1. For what values of k does this system of equations has no solution? (use Gauss-Jordan eliminations)
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b) Find the system transfer function H(z).
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Electric Motor Control
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