Question: Two 1.50 -V batterieswith their positive terminals in the same directionare inserted in series into a flashlight. One battery has an internal resistance of 0.255

Two 1.50-V batterieswith their positive terminals in the same directionare inserted in series into a flashlight. One battery has an internal resistance of 0.255, and the other has an internal resistance of 0.153. When the switch is closed, the bulb carries a current of 600 mA. (b) What fraction of the chemical energy transformed appears as internal energy in the batteries?

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