Answer:I will say d
Explanation: because Potential energy is the energy stored within an object, due to the object's position, arrangement or state. Potential energy is one of the two main forms of energy, along with kinetic energy.
B) Copper atoms have a loosely held free electron in their outer shell that is able to move freely to other atoms.
It is wasted, most likely as light, in this case, or it is lost during the transport of electricity.