A battery has an emf of 9 V and an internal resistance of 2 Ω. If the potential difference across its terminals is greater than 9 V: A. it must be connected across a large external resistance B. it must be connected across a small external resistance C. the current must be out of the positive terminal D. the current must be out of the negative terminal E. the current must be zero

A battery has an emf of 9 V and an internal resistance of 2 Ω. If th

1.	A battery has an emf of 9 V and an internal resistance of 2 Ω. If the potential difference across its terminals is greater than 9 V: A. it must be connected across a large external resistance B. it must be connected across a small external resistance C. the current must be out of the positive terminal D. the current must be out of the negative terminal E. the current must be zero
Answer» D. the current must be out of the negative terminal

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