piece of resistance wire , 15.6m long and the cross sectional area 12mm sq. at a temperature of 0 degrees , passes a curent of 7.9 A when connected to DC supply at 240V. Calculate a.) resistivity of the wire b). the current which will flow when the temperature rises to 55 degrees celcius. The temperature coefficient of the resistance wire at 0degrees is 0.00029

piece of resistance wire , 15.6m long and the cross sectional area 12mm sq. at a temperature of 0 degrees , passes a curent of 7.9 A when connected to DC supply at 240V. Calculate a.) resistivity of the wire b). the current which will flow when the temperature rises to 55 degrees celcius. The temperature coefficient of the resistance wire at 0degrees is 0.00029

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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