what is polarity in physics
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Polarity is a term used in electricity, magnetism, and electronic signaling. ... This flow of charge carriers constitutes an electric current . In physics, the theoretical direction of current flow is considered to be from positive to negative by convention, opposite to the flow of electrons.
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In physics, polarity describes an attribute that can usually have two values: An electric charge has a polarity of either positive or negative. A voltage has a polarity, in that it could be positive or negative (with respect to some other voltage, such as the one at the other end of a battery or electric circuit).
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