Can someone please explain to me, from a physics point of view, how a battery works? Thank you.
Take a look over at the "howstuffworks" website
That's gotta be the most practical approach. They have a really comprehensive article that would take us weeks to match with regular posting. If further clarification is needed, feel free to ask here.
Welcome to PF.
A battery is a device which performs the function of simply mantaining a potential difference between its two terminals. The potential is created by the reactions that take place within it. Because of this potential that is created there is a disturbance created within the wire which causes a current to flow through the wire.
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