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A current of (2.5+-0.05) A flows through...

A current of `(2.5+-0.05)` A flows through a wire and develops a potential difference of `(10+-0.1)` volt. Resistance of th wire in ohm, is

A

`4+-0.12`

B

`4+-0.04`

C

`4+-0.08`

D

`4+-0.02`

Text Solution

Verified by Experts

The correct Answer is:
A
A
`V=iRimpliesR=V/i, /_\R=[(/_\V)/V+(/_\i)/i] :.R=(4+-0.012)Omega`
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