Info A model train has an electric motor to drive it. The current though the motor is controlled by a rheostat and when it is moving slowly the current is 0.5A and the voltage is 5V. Data Total Power = 6W Power Developed By Motor = 2.5W Power Absorbed By Controller = 3.5W Total Voltage = 12V Voltage Across Motor = 5V Voltage Across Controller = 7V Current = 0.5A Question Find the energy changes in: 1. The controller 2. The motor Circuit Diagram Below is my diagram sketch of the circuit. Just click the link to look at it. It is a little rough but it should help you to understand my circuit.