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How is the direction of an electric current determined?

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As such, an early convention for the direction of an electric current was established to be in the direction that positive charges would move. The convention has stuck and is still used today. The direction of an electric current is by convention the direction in which a positive charge would move. read more

Electrical current occurs as electrons move from one side of a power source, say the negative (-) side of a battery) to the other, the positive (+) side. Take a AAA battery for example. The (+) side has a deficit of electrons and the (-) a surplus. The (+) side is hungry for the yummy electrons piled up on the (-) side. read more

Electric current is the rate at which electric charge flows past a point on the electric circuit. Water current is the rate at which water flows past a point on the water circuit. As such, current is analogous to the number of gallons of water flowing into, along, and out of a slide per unit of time. read more

The conventional direction of the current is from + to -, and this direction can be the same as the direction of actual charge flow or the opposite, depending on the type of the charge carrier. As you know, the formula of definition for the electric current is I = dq/dt. read more

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