Question: Why does a wire that carries electric current become hot? Electrons collide with other electrons and the collisions produce sparks that heat the wire. Every

Why does a wire that carries electric current become hot?
Electrons collide with other electrons and the collisions produce sparks that heat the wire.
Every time an electron changes direction in an ac circuit, it pushes on nearby atoms, which makes them move. Dc current does not heat the wire.
The electric field producing the current pushes on the atoms, which makes them move.
Moving electrons collide with atoms, which transfers their kinetic energy to atomic motion.
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Why does a wire that carries electric current

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