Question 1 a) A resistor of 80 N resistance having a temperature coefficient of 0.0021 per degree C is to be constructed. Wires of two materials of suitable cross sectional area are available. For material A, the resistance 800 A B per 100metres and the temperature coefficient is 0.003 per degree C. For material B, the corresponding figures are 60 2 per 0.0015 per degree C. Calculate the suitable length of wires of materials A and B to be connected in series to construct the required resistor. All data are refried to the same temperature.
Question 1 a) A resistor of 80 N resistance having a temperature coefficient of 0.0021 per degree C is to be constructed. Wires of two materials of suitable cross sectional area are available. For material A, the resistance 800 A B per 100metres and the temperature coefficient is 0.003 per degree C. For material B, the corresponding figures are 60 2 per 0.0015 per degree C. Calculate the suitable length of wires of materials A and B to be connected in series to construct the required resistor. All data are refried to the same temperature.
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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