An ideal battery is connected to an external resistor. When 3 N is added, the current drops from 9 A to 5 A. Find the value of the resistor and the emf of the battery. r = emf = V

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An ideal battery is connected to an external resistor. When 3 2 is added, the current drops from 9 A to 5 A. Find the value of the
resistor and the emf of the battery.
r =
emf
V
Transcribed Image Text:An ideal battery is connected to an external resistor. When 3 2 is added, the current drops from 9 A to 5 A. Find the value of the resistor and the emf of the battery. r = emf V
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