2006-10-31 20:39:27 · 5 answers · asked by jay 2 in Education & Reference ➔ Other - Education
You can convert energy to microwaves, that can travel across space, to a receiver, that converts it back to electrical current.
2006-10-31 20:47:17 · answer #1 · answered by Stonerscientist 2 · 0⤊ 0⤋
wires work as a path to send the electricity to another place, imagine cars are the electricity and roads are the wires. cars need the road to travel from one place to the other, same as electricity needs wires to get from a place to the other.
2006-10-31 20:51:02 · answer #2 · answered by Anonymous · 0⤊ 0⤋
It is possible to send electricity without wire...have you ever seen a lightning??? electricity needs a "conductor"...oxygen, metal and water is among them...
not only wire (metals)...
2006-10-31 21:03:17 · answer #3 · answered by Raycious 2 · 0⤊ 0⤋
Because it requires the flow of electrons within a conducting material?
2006-10-31 20:42:10 · answer #4 · answered by koochilly 3 · 0⤊ 0⤋
u do need a medium don't u ?
2006-10-31 20:42:39 · answer #5 · answered by Anonymous · 0⤊ 0⤋