ampere

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“
If there are two lamps on the board you will have 1 ampere, and so on.

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Definitions (5)

Toggle American Heritage definitions American Heritage Dictionary (2)

  1. noun A unit of electric current in the meter-kilogram-second system. It is the steady current that when flowing in straight parallel wires of infinite length and negligible cross section, separated by a distance of one meter in free space, produces a force between the wires of 2 × 10-7 newtons per meter of length.
  2. noun A unit in the International System specified as one International coulomb per second and equal to 0.999835 ampere. See Table at measurement.

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Examples (50)

  • This difference in weight is a very exact measure of the quantity of electricity, or number of ampere-hours, that have, so to speak, passed through the cell, and hence of the whole consumption in the circuit. —  Edison, His Life and Inventions
  • The generator, delivering high voltage, drew little current, and the special storage battery had a high ampere-hour capacity During the next few seconds, Johnny entertained ideas of burrowing back and turning the radio off, but put that out of his mind as being too risky. —  029 - Quest of Qui
  • Allowing a slight excess to run the normal household appliances at the same time (4 kw), this would require a 200-ampere service to be brought into each house. —  THE FUTURE OF AUTOMOTIVE POWER PLANTS
  • The three types are the 50 ampere, 150 ampere and the largest current type rated at 200 amperes. —  RFID Solutions Online Products
  • (Examples are: volt, ampere, ohm, watt, hertz, etc.) —  Damn Interesting
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Etymologies (2)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. After André Marie Ampère.

Toggle Century etymologies Century Dictionary (1)

  1. A designation adopted by the Electric Congress at Paris in 1881; French ampère, from Ampère, name of a French electrician (André Marie Ampère, died 1836). Cf. ohm and volt.
 

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/æmˈpɛr/
by American Heritage

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