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DC – direct current

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Direct current (DC) is the electric charge’s single directional or unidirectional flow. A prime example of DC energy is an electrochemical cell. Direct current can flow through a conductor such as a wire, but as in electron or ion beams, it may also flow through semiconductors, insulators, or even through a vacuum. The electric current flows in a constant direction, separating it from the alternating current (AC). For this type of current, the galvanic current was a concept formerly used.

The single directional or unidirectional movement of electrical charge is direct current (DC). A prime example of DC energy is an electrochemical cell.

DC acronym – direct current
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