international ohm

international ohm

[¦in·tər¦nash·ən·əl ′ōm]
(electricity)
A unit of resistance, equal to that of a column of mercury of uniform cross section that has a length of 160.3 centimeters and a mass of 14.4521 grams at the temperature of melting ice; it has been superseded by the ohm, and is equal to 1.00049 ohms.
References in periodicals archive ?
These two experiments were formally recognized until the 1930s as the basis of the international ohm and ampere.
Rosa were in reasonable agreement, and the committee recommended that all countries use, as the international ohm, the mean of the values found by Germany and Great Britain [2, 5].
Curtis [11], "during the last two decades not one of the national laboratories has reestablished its unit for the international ohm by making measurements upon the mercury ohm.
To do this, it is desirable that each laboratory should know the values of its resistance standards and standard cells, in terms of its international ohm and volt, to 1 part in 1,000,000.
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