2. A wire is 4 in x 0.5 in x 20 ft and a resistivity of 15.75 (2 - CM)/ ft at 12 °C. Calculate its resistance if the temperature is increased by 50 °C? Take the temperature coefficient of the wire at 15 °C is 0.00375 /OC? 3. The resistance of a carbon coil is 10.5 Q at 60 °C. At what temperature will its resistance decrease to 65 percent if its temperaturo o

2. A wire is 4 in x 0.5 in x 20 ft and a resistivity of 15.75 (2 - CM)/ ft at 12 °C. Calculate its resistance if the temperature is increased by 50 °C? Take the temperature coefficient of the wire at 15 °C is 0.00375 /OC? 3. The resistance of a carbon coil is 10.5 Q at 60 °C. At what temperature will its resistance decrease to 65 percent if its temperaturo o

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 14RQ

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