Question

What is the energy change taking place

when you turn on a cell phone?
Nuclear energy to thermal energy
Potential energy to chemical energy
Chemical energy to radiant energy
Kinetic energy to potential energy

Answer 1

When you turn on a cell phone, chemical energy from the battery is converted into electrical energy, which powers the various components of the phone. This electrical energy can be converted into other forms of energy, such as heat or light, depending on how the phone is being used.