What is the fractional error in the measurement of the diameter of the wire,

0.001

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0.002

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1.330

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0.004

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Solution

The correct option is C $1.330$
$\begin{matrix} D i a m e t e r o f t h e w i r e = \frac{1.328 + 1.330 + 1.326 + 1.334 + 1.336}{5} = \frac{6.654}{5} = 1.330 \end{matrix}$
Hence,
option $(C)$ is correct answer.

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