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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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Knowledge Check

  • A battery has an emf of 15 V and internal resistance of 1 Omega Is the terminal to terminal potential difference less than, equal to or greater than 15 V if the current in the battery is (1) from negative to positive terminal, (2) from negative to positive terminal, (3) zero current ?

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