A resistance of 40 ohms reaches a pressure source of 220v, and if its temperature rises to 120°,then the thermal coefficient a is 0.003,calculate its resistance after the temperature rises and the amount current change
A resistance of 40 ohms reaches a pressure source of 220v, and if its temperature rises to 120°,then the thermal coefficient a is 0.003,calculate its resistance after the temperature rises and the amount current change
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter10: Contactors, Relays, And Overloads
Section: Chapter Questions
Problem 19RQ
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