Question at 20degc the carbon resistor in an electric, Ask an Expert

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Question: At 20°C, the carbon resistor in an electric circuit connected to a 6.7-V battery has a resistance of 2.5 x 10² ohms.

Part A: What is the current in the circuit when the temperature of the carbon rises to 75°C?

I need help to find the current in the circuit when the temperature of the carbon rises to 75°C.

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