Direct-current meaning

dĭ-rĕkt
An electric current flowing in one direction only.
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An electric current flowing in one direction.
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An electric current that moves in one direction with constant strength. Batteries are a source of direct current. Direct current is not used for long-distance power transmission because it is difficult to step up the voltage to a level that is efficient for energy transfer and then to step the voltage back down again for safe domestic use.
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See DC.
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See DC.
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An electric circuit in which voltage and current do not vary with time.
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An electric current in which the electrons flow in one direction, but may vary with time.
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Attributive form of direct current.
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