Meaning | A measure of the potential energy of a unit charge at a given point in a circuit relative to a reference point (ground). |
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Narrower | abvolt | A unit of potential equal to one-hundred-millionth of a volt |
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femtovolt | A unit of potential equal to one quadrillionth of a volt (or one thousandth of a nanosecond) |

kilovolt, kV | A unit of potential equal to a thousand volts |

microvolt | A unit of potential equal to one millionth of a volt |

millivolt, mV | A unit of potential equal to one thousandth of a volt |

nanovolt | A unit of potential equal to one billionth of a volt |

picovolt | A unit of potential equal to one trillionth of a volt |

volt, V | A unit of potential equal to the potential difference between two points on a conductor carrying a current of 1 ampere when the power dissipated between the two points is 1 watt |

Broader | electromagnetic unit, emu | Any of various systems of units for measuring electricity and magnetism |
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