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Definitions for: Ohm
[n] German physicist who formulated Ohm's Law (1787-1854)
[n] a unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere
Webster (1913) Definition: Ohm, n. [So called from the German electrician, G.S. Ohm.]
(Elec.)
The standard unit in the measure of electrical resistance,
being the resistance of a circuit in which a potential
difference of one volt produces a current of one amp['e]re.
As defined by the International Electrical Congress in 1893,
and by United States Statute, it is a resistance
substantially equal to 10^9 units of resistance of the
C.G.S. system of electro-magnetic units, and is represented
by the resistance offered to an unvarying electric current by
a column of mercury at the temperature of melting ice 14.4521
grams in mass, of a constant cross-sectional area, and of the
length of 106.3 centimeters. As thus defined it is called the
international ohm.
Ohm's law (Elec.), the statement of the fact that the
strength or intensity of an electrical current is directly
proportional to the electro-motive force, and inversely
proportional to the resistance of the circuit.
Synonyms: Georg Simon Ohm
See Also: abohm, megohm, physicist, resistance unit
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