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State the physical quantity which is equ...

State the physical quantity which is equal to the ratio of potential difference and curre.,t. Define its SI unit.

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Electrical Resistance, R `=(V)/(I)`
The resistance of a conductor is said to be one ohm if the potential di.fference applied across its ends is I volt and a current of 1 A flows through it. Its SI unit is ohm `(Omega)`
`1 ohm=(1 "volt")/(1 "ampere")`
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