# What Is the Definition of Ohms?

The SI unit of electrical resistance is ohm. It expresses the resistance in a circuit transmitting a current of one ampere when subjected to a potential difference of one volt. It may also refer to a lunar impact crater that is located on the far side of the moon.
ohm
[ohm]
NOUN
1.
the standard unit of electrical resistance in the International System of Units(SI), formally defined to be the electrical resistance between two points of a conductor when a constant potential difference applied between these points produces in this conductor a current of one ampere. The resistance in ohms is numerically equal to the magnitude of the potential difference. Symbol: Ω
Source: Dictionary.com
Ohm is a unit of measuring the electrical resistance. It is named after the German physicist who contributed greatly to mathematics and measurement of electrical resistance. One ohm is equivalent to the resistance that produces one ampere current with a potential of one volt.
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