MichealM7312 MichealM7312

13-05-2023
Physics

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A battery has emf e and internal resistance r. When a 5.0-ohm resistor is connected across the terminals, the current is 0.5 A. When this resistor is replaced by an 11.0-ohm resistor, the current is 0.25 A. Find the emf e and internal resistance r.

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