An engineering intern is studying the effect of temperature on the resistance of a current carrying wire. She applies a voltage to a aluminum wire at a temperature of 53.0°C and notes that it produces a current of 1.30 A. If she then applies the same voltage to the same wire at -88.0°C, what current should she expect (in A1? The temperature coefficient of resistivity for aluminum is 3.90 x 10-3 (°C)-1, (Assume that the reference temperature is 20°C.)

An engineering intern is studying the effect of temperature on the resistance of a current carrying wire. She applies a voltage to a aluminum wire at a temperature of 53.0°C and notes that it produces a current of 1.30 A. If she then applies the same voltage to the same wire at -88.0°C, what current should she expect (in A1? The temperature coefficient of resistivity for aluminum is 3.90 x 10-3 (°C)-1, (Assume that the reference temperature is 20°C.)

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 14P

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