A) 5%
B) 2%
C) 7%
D) 3%
Correct Answer: C
Solution :
[c] \[R=\frac{V}{I}so,\frac{\Delta R}{R}\times 100=\frac{\Delta V}{V}\times 100+\frac{\Delta I}{I}\times 100\] \[\Rightarrow \frac{\Delta R}{R}\times 100=\frac{5}{100}\times 100+\frac{0.2}{10}\times 100=7%\]
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