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单词 volt(symbol: V)
释义
volt(symbol: V)

Electronics and Electrical Engineering
  • The SI unit of electric potential, potential difference, and electromotive force. It is defined as the potential difference between two points on a conductor when the current flowing is one ampere and the power dissipated between the points is one watt. In practice volts are measured by comparison with a Weston standard cell using a potentiometer.

    This unit replaced the international volt (Vint) as the standard unit of voltage: one Vint equals 1.000 34 V.


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