Question

what is mean by 3ohm my sweet friend???

Answer 1

HEYA!
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✨Ohm is the Unit of Resistance ( R)

✨The Resistance R is given by ,

$r = \frac{v}{i}$
Where I is the current and v is the potential difference across the conductor .

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✳Now , 3 Ohm means the the Resistance of a conductor , i,e it's property to resists the flow of charges within it is 3 ohms.

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Answer 2

Ohm is a unit for resistance in any electrical circuit.
Now,

3 ohm means 3 volt upon 1 ampere.

It means that an object having a resistance of 3 ohm allows 1 ampere of current to flow through 2 points having potential difference of 3 volt.

HOPE IT HELPS YOU☺☺