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Is there any circumstance in which the measured potential difference between the terminals of a battery exceeds the open circuit emf of the battery?
Can you tell me if there is any circumstance in which the measured potential difference between the terminals of a battery can exceed the open circuit EMF of the battery?
Yes, there are situations where the measured potential difference of a battery can exceed the open circuit EMF. This can happen if there is a resistance in the circuit that causes a voltage drop. The measured potential difference across the battery terminals will be less than the open circuit EMF, but the measured potential difference across the resistance will be greater than the open circuit EMF.