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  1. Oxford Dictionary

    residual current

    • n.
      an electric current which flows briefly in a circuit after the voltage is reduced to zero, due to the momentum of the charge carriers.

    • noun: residual current, plural noun: residual currents

    • 相關詞

    residual current device

    • n.
      a current-activated circuit-breaker used as a safety device for mains-operated electrical tools ...

    Oxford Dictionary