What is the EMF of a battery with a terminal voltage of 15V, aninternal resistance of 0.02Ω and is producing a current of1.7A?
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A battery with 14.3 V emf has a terminal voltage of 9.5 V whenit delivers a current of 6.6 A to the starter of a car.What is the internal resistance of the battery?
Answer in units of Ω.
A real battery with emf 12.0 V and internal resistance 2.00 Ω is connected to a resistance of 4.00 Ω.
a. What is the current through the battery?
b. What is the terminal voltage of the battery?
A battery has an emf of . The terminal voltage of the battery is when the current is .
a. Calculate the battery's internal resistance r.
b. Find the load resistance R.