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Physics 14 Online
OpenStudy (anonymous):

What causes an electric current in a wire? A)Electric fields cause atoms to move in the wire. B)Electrons flow because of electrical attraction and repulsion. C)Electrons move because of heat. D)Electrons build up in the wire and create a charge.

OpenStudy (anonymous):

Do you see any that you can rule out real quick? Why or why not?

OpenStudy (anonymous):

c) because electron cause heat

OpenStudy (anonymous):

What IS current flow?

OpenStudy (anonymous):

i don't know

OpenStudy (anonymous):

In your answer choices you have two different "things" that the writer is calling current flow. The flow of electrons or the flow of atoms. Do you know which one is correct?

OpenStudy (anonymous):

nope can u give me more of a hint

OpenStudy (anonymous):

http://www.youtube.com/watch?v=Y7Uqe6DyoRU

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