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Ques 1(a). A copper wire has a resistance of 0.850 at 20°C. What will be its resistance at 40°C? The temperature coefficient of resistance of copper at 0°C is 0.004°C.

Ques 1(a). A copper wire has a resistance of 0.850 at 20°C. What will be its resistance at 40°C? The temperature coefficient of resistance of copper at 0°C is 0.004°C.

Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter11: Conduction In Liquids And Gases
Section: Chapter Questions
Problem 4RQ: Name three basic substances that can be used to produce ionization in a liquid.
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Ques 1(a). A copper wire has a resistance of 0.85Q at 20°C. What will be its resistance at 40°C? The temperature coefficient of resistance of copper at 0°C is 0.004°℃.
Transcribed Image Text:Ques 1(a). A copper wire has a resistance of 0.85Q at 20°C. What will be its resistance at 40°C? The temperature coefficient of resistance of copper at 0°C is 0.004°℃.
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