A battery has an emf and an internal resistance r when the

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A battery has an emf and an internal resistance r. When the battery is connected to a 25Ω resistor, the current through the battery is 0.55 A. When the battery is connected to a 48 Ω resistor, the current is 0.45 A. Find the emf of battery and its internal resistance.

Reference no: EM13618584

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