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ohm |
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ohm (ōm) [for G. S. Ohm Ohm, Georg Simon (gā`ôrkh zē`môn ōm), 1787–1854, German physicist. He was professor at Munich from 1852. ..... Click the link for more information. ], unit of electrical resistance resistance, property of an electric conductor by which it opposes a flow of electricity and dissipates electrical energy away from the circuit, usually as heat. ..... Click the link for more information. , defined as the resistance in a circuit in which a potential difference of one volt creates a current of one ampere; hence, 1 ohm equals 1 volt/ampere. The megohm (1,000,000 ohms) and the milliohm (.001 ohm) are units derived from the ohm. A unit of measurement for electrical resistance. One ohm is the resistance in a circuit when one volt maintains a current of one amp. The symbol for ohm is the Greek letter omega. See impedance.
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Teraohm
