<Table> <Tr> <Td> </Td> <Td> This article does not cite any sources . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (May 2017) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article does not cite any sources . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (May 2017) (Learn how and when to remove this template message) </Td> </Tr> <P> Electrical polarity is a term used throughout industries and fields that involve electricity . There are two types of poles: positive (+) and negative (-). This represents the electrical potential at the ends of a circuit . A battery has a positive terminal (pole) and a negative terminal (pole). </P> <P> Conventional Current flows from the positive pole (terminal) to the negative pole . Electrons flow from negative to positive . In a direct current (DC) circuit, current flows in one direction only, and one pole is always negative and the other pole is always positive . In an alternating current (AC) circuit the two poles alternate between negative and positive and the direction of the current (electron flow) reverses periodically . </P>

Which is positive and negative on a battery