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QUESTION
A car battery has an emf of 11.8 V and an internal resistance of r = 0.61 Ohms. The battery is connected to the headlights R1 with a resistance of R1...
A car battery has an emf of 11.8 V and an internal resistance of r = 0.61 Ohms. The battery is connected to the headlights R1 with a resistance of R1 = 10.8 Ohms, and the starter motor R2, with some unknown resistance.
When the starter motor is used it has a current of I3 = 10.0 A. What is the potential difference across the headlights when the starter motor is used? Use units of "V" or "Volts".
