Why are good conductors of heat also good conductors of electricity

5 answers

electrons that can move easily through the lattice structure facilitate both processes
A nail contains trillions of electrons. Given that electrons repel from each other, why do they not then fly out of the nail?
Aren't there postive charges in the nail that holds them near?
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)
a r=9/1.5
b. power=9*1.5
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