Delmar's Standard Textbook Of Electricity
7th Edition
ISBN: 9781337900348
Author: Stephen L. Herman
Publisher: Cengage Learning
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Textbook Question
Chapter 9, Problem 3PP
A meter movement has a full-scale value of 500 µA (0.000500 A) and 50 mV (0.050 V). A shunt is to be connected to the meter that permits it to have a full-scale current value of 2 A. What is the resistance of the shunt?
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A basic D’ Arsonval movement with a full-scale deflection of 66 uA and internal resistance of 480Ω is used as a DC voltmeter. Determine the value of the multiplier resistance needed to measure a voltage range of 0-11V (in ohms).
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Chapter 9 Solutions
Delmar's Standard Textbook Of Electricity
Ch. 9 - To what is the turning force of a dArsonval meter...Ch. 9 - Prob. 2RQCh. 9 - A DC voltmeter has a resistance of 20,000 per...Ch. 9 - 4. What is the purpose of an ammeter shunt?
Ch. 9 - 5. Name two methods used to make a DC multirange...Ch. 9 - 6. How is an ammeter connected into a circuit?
Ch. 9 - 7. How is a voltmeter connected into a circuit?
Ch. 9 - 8. An ammeter shunt has a voltage drop of 50 mV...Ch. 9 - 9. What type of meter contains its own separate...Ch. 9 - 10. What electrical quantity does the oscilloscope...
Ch. 9 - 11. What is measured on the Y axis of an...Ch. 9 - 12. What is measured on the X axis of an...Ch. 9 - 13. A waveform shown on the display of an...Ch. 9 - 14. What is the major difference between a...Ch. 9 - 15. What two factors determine the turning force...Ch. 9 - You are an electrician on the job. You have been...Ch. 9 - 1. A d'Arsonval meter movement has a full-scale...Ch. 9 - 2. The meter movement described in Question 1 is...Ch. 9 - 3. A meter movement has a full-scale value of . A...Ch. 9 - 4. The meter movement in Question 3 is to be used...Ch. 9 - 5. A digital voltmeter indicates a voltage of 2.5...
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