direct current

"Direct current" (DC) is a fundamental concept in electricity, contrasting with alternating current (AC) by maintaining a unidirectional flow of electric charge.

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Definition

B2Physics

(technical, academic)An electric current that flows in a single direction, without reversing.

Example

  • Batteries provide direct current to power electronic devices.
  • The solar panel system converts sunlight into direct current.

B2Electronics

(technical)A steady flow of electric charge, typically from sources like batteries or solar cells.

Example

  • Direct current is used in most portable electronic devices.
  • Electric vehicles often rely on direct current for their operation.

Similar

Terms that have similar or relatively close meanings to "direct current":

electric current