At 20°C, the carbon resistor in an electric circuit connected to a 5.0-V battery has a resistance of 2.0 X 102 ?. What is the current in the circuit when the temperature of the carbon rises to 80°C? The temperature coefficient of resistivity for carbon is -0.5 X 10-3 ℃-1.
At 20°C, the carbon resistor in an electric circuit connected to a 5.0-V battery has a resistance of 2.0 X 102 ?. What is the current in the circuit when the temperature of the carbon rises to 80°C? The temperature coefficient of resistivity for carbon is -0.5 X 10-3 ℃-1.
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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At 20°C, the carbon resistor in an electric circuit connected to a 5.0-V battery has a resistance of
2.0 X 102 ?. What is the current in the circuit when the temperature of the carbon rises to 80°C?
The temperature coefficient of resistivity for carbon is -0.5 X 10-3 ℃-1.
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