국제 단위계(SI)의 전기 저항 단위로, 1볼트의 전압을 가했을 때 1암페어의 전류가 흐르는 도체의 저항값이다.
The SI unit of electrical resistance, equal to the resistance of a conductor in which a potential difference of one volt produces a current of one ampere.
예문:
"The resistance of the copper wire was measured at exactly five ohms."
"You can use a multimeter to check the ohm rating of a resistor."
"The symbol for the ohm is the Greek letter omega."