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A battery has an emf of 12V and an inter...

A battery has an emf of 12V and an internal resistance of ` 2 Omega`. Calculate the potential difference between the terminal of cell if (a) current is drawn from the battery (b) battery is charged by an external source.

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A battery has an emf of 12 V and an internal resistance of 2 Omega . Is the terminal-to-terminal potential difference greatest then less than, or equal to 12V if the current in the battery is (a) from the negative to the positive terminal, (b) from the positive to the negative terminal, and (c) zero?

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