Question

Can you give me an information on the speed of propagation of an electromagnetic wave in metallic medium such as copper or aluminum. Is it similar to the speed of propagation through vacuum?

Answer 1

Explicación:

I will assume we are referring to a current of electrical charge traveling through a metal wire, such as through ... Electromagnetic energy and information travel down a wire at close to the speed of light.

Falta: aluminum. ‎| Debe incluir lo siguiente: aluminum.