When a current of (2.5 +- 0.5) ampere fl...

When a current of `(2.5 +- 0.5)` ampere flows through a wire, it develops a potential difference of `(20 +- 1)` volt, the resistance of the wire is

`(8 pm 2)Omega`

`(8 pm 1.6)Omega`

`(8 pm 1.5)Omega`

`(8 pm 3)Omega`

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