Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The law stating that the direct current flowing in a conductor is directly proportional to the potential difference between its ends. It is usually formulated as V = IR, where V is the potential difference, or voltage, I is the current, and R is the resistance of the conductor.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Ohm's observation that the direct current flowing in an electrical circuit consisting only of resistances is directly proportional to the voltage applied.

from the GNU version of the Collaborative International Dictionary of English

  • n. 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.

from The Century Dictionary and Cyclopedia

  • n. See law.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. electric current is directly proportional to voltage and inversely proportional to resistance; I = E/R

Etymologies

After Georg Simon Ohm.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Georg Ohm, German physicist (Wiktionary)

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