Question:medium
The power in an electrical circuit for a current of \(5 \pm 0.4\text{ A}\) and voltage \(10 \pm 0.2\text{ V}\) is measured at \(10%\) error. To measure the power at \(5%\) error the current should be measured at an error of
The power in an electrical circuit for a current of \(5 \pm 0.4\text{ A}\) and voltage \(10 \pm 0.2\text{ V}\) is measured at \(10%\) error. To measure the power at \(5%\) error the current should be measured at an error of
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For multiplication:
\[
z=xy
\]
percentage errors add directly.
Updated On: Apr 29, 2026
- \(5%\)
- \(2%\)
- \(10%\)
- \(3%\)
- \(4%\)
Show Solution
The Correct Option is D
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