The copper windings of a motor have a resistance of 50 at 20C when the motor is

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The copper windings of a motor have a resistance of 50Ω at 20°C when the motor is idle. After the motor has run for several hours, the resistance rises to 58Ω. What is the temperature of the windings now? Ignore changes in the dimensions of the windings. (Use Table 26-1)

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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