hijn hijn 21-12-2021 Physics contestada A battery is connected in series with an ammeter and a variable resistor R. When R= 6.0 ohms, the current in the ammeter is 1.0 A. When R= 3.0 ohms, the current is 1.5 A. Calculate the internal resistance of the battery. A. 6.0 ohms B. 1.5 ohms C. 4.5 ohms D. 3.0 ohms