A lone battery is shown at right. a. On the diagram, sketch the charge distribut

Question

A lone battery is shown at right. a. On the diagram, sketch the charge distribution on the battery. b. Two students discuss the net force on a charge inside the battery: Student 1: "The battery isn't hooked up to anything so charges are at rest. The net force on each charge has to be zero, so the electric field inside the battery is zero." Student 2: "There is a potential difference across the battery so there is an electric field inside. I agree that the net force is zero, because the chemical force balances the electric force." With which student do you agree? Explain. c. Suppose the battery is part of a complete circuit, which has a constant, uniform flow of charge around it. Would the reasoning of the student you agreed with above still be correct in this case? Explain.

Explanation / Answer

(a)

the sign of the top terminal is the positive and the bottom terminal is negative.

(b)The second student is correct. There will be an electric field inside the battery as the batteryhaving emf that is potential difference between the terminals.

(c)

The emf of the battery moves the uiniform charge around the circuit if the battery is part of circuit. So,the statement is correct.

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