This page provides all possible meanings and translations of the word ohm, legal
The Standard Electrical DictionaryRate this definition:(0.00 / 0 votes)
The practical unit of resistance. The resistance of a column of mercury one square millimeter in cross-sectional area and 106 centimetres long at 0º C. (32º F.) The ohm used previously to 1884 is the B. A. Unit of Resistance, q. v. One legal ohm = 1.0112 B. A. Units, and I B. A. Unit = 0.9889 legal ohm. The resistance of a copper wire 1 foot long and 1/1000 inch in diameter is about 10 ohms. The resistance of 1 mile of iron wire 1/3 inch in diameter is about 10 ohms. Synonym--Congress Ohm.
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