1. (a) To what temperature must you raise a copper wire, originally at 21 °C, to double its resistance, 1 neglecting any changes in dimensions? Use a=3.9x10 3 °C T= °C (b) Does this happen in household wiring under ordinary circumstances? Yes No
1. (a) To what temperature must you raise a copper wire, originally at 21 °C, to double its resistance, 1 neglecting any changes in dimensions? Use a=3.9x10 3 °C T= °C (b) Does this happen in household wiring under ordinary circumstances? Yes No
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter20: Electric Current, Resistance, And Ohm's Law
Section: Chapter Questions
Problem 12CQ: Explain why R=R0(1 + a?T) for the temperature variation of the resistance R of an object is not as...
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