Question

Why are good conductors of heat also good conductors of electricity

Answer 1

electrons that can move easily through the lattice structure facilitate both processes

Answer 2

A nail contains trillions of electrons. Given that electrons repel from each other, why do they not then fly out of the nail?

Answer 3

Aren't there postive charges in the nail that holds them near?

Answer 4

A light bulb connected to a 9-V battery has a current of 1.5 A flowing.
a. Find the resistance of the light bulb (in ohms)
b. Find the power drawn by the light bulb (in W)

Answer 5

a r=9/1.5
b. power=9*1.5