JEE PHYSICS MCQ: UNITS & MEASUREMENTS

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Application +4 | -1

If the percentage error in measuring length and diameter of a wire is

0.1 \%

each, then the percentage error of the resistance of the wire is

View answer and explanation

Correct option: A

0.3 \%

Option A (

0.3 \%

) is correct because the percentage error in resistance is the sum of the percentage error in length and twice the percentage error in diameter.

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