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Questions  

The resistance R=VI, where V=(100±5.0)V and I=(10±0.2)A. Find the percentage error in R.

a
7%
b
5%
c
3%
d
9%

detailed solution

Correct option is A

The percentage error in V is 5% and in I it is 2%, The total error in R would therefore be5%+2%=7%

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