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Question

What is meant by polarity of a conductor?

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Solution

Polarity is a term used in electricity, magnetism, and electronic signaling.
Polarity of a conductor
Suppose there is a constant voltage, also called an electric potential or electromotive force (EMF), between two objects or points. In such a situation, one of the objects or points (poles) has more electrons than the other. The pole with relatively more electrons is said to have negative polarity; the other is assigned positive polarity. If the two poles are connected by a conductive path such as a wire, electrons flow from the negative pole toward the positive pole. 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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