When a current of (5 +- 0.5) A flows thr...

When a current of `(5 +- 0.5)` A flows through a wire, it developes a potential difference of `(40 +- 1)V`. The resistance of wire is

`(8+-1)Omega`

`(8+-1.6)Omega`

`(8+-1.5)Omega`

`(8+-3)Omega`

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The correct Answer is:

`(8+-1)Omega`

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