Question

why does a battery have positive and negative terminals?? ​

Answer 1

Answer:

The cathode and anode (the positive and negative sides at either end of a traditional battery) are hooked up to an electrical circuit. The chemical reactions in the battery causes a build up of electrons at the anode. ... Electrons repel each other and try to go to a place with fewer electrons.

Explanation:

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Answer 2

Explanation:

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