1.

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 isA. `(8 +- 2) Omega`B. `(10 +- 3) Omega`C. `(18 +- 4) Omega`D. `(20 +- 6) Omega`

Answer» Correct Answer - A
`R +- Delta R = (V)/(I) + [(DeltaV)/(V) + (Delta I)/(I)] xx100`


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