When initially at 25 C, the power being supplied to a 555 Ohm resistor in a circuit is 7.5 W. Over time, the temperature of the resistor increase to 155 C. If the temperature coefficient of resistivity of the material composing the resistor is 3.25 x 10^-3 C^-1, what power is supplied to the resistor at its operating temperature?

When initially at 25 C, the power being supplied to a 555 Ohm resistor in a circuit is 7.5 W. Over time, the temperature of the resistor increase to 155 C. If the temperature coefficient of resistivity of the material composing the resistor is 3.25 x 10^-3 C^-1, what power is supplied to the resistor at its operating temperature?

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter27: Current And Resistance

Section: Chapter Questions

Problem 27.73AP

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