Electrolysis Practice Exam

Question: 1 / 400

In which direction does direct current flow?

Positive, negative

Direct current (DC) flows in a consistent direction, unlike alternating current (AC) which periodically reverses flow. In the context of electric circuits, the flow of current is defined from the positive terminal to the negative terminal of a power source. Therefore, when considering the movement of electrons, which carry the charge, they actually move from negative to positive. However, conventional current flow, as established before the discovery of the electron, is defined in the manner that current flows from the positive to the negative terminal.

Thus, stating that direct current flows from positive to negative accurately captures the conventional understanding of current direction. This definition is essential in the design and functioning of electrical circuits and systems, where knowing the direction of current flow is vital for troubleshooting and making correct connections.

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Negative, positive

East to West

North to South

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