SSE JE Electrical Engineering 24 March 2021 Shift 1 Paper

Question : 109 of 200

Marks: +1, -0

The expected voltage value across an element is 50 V. However, a voltmeter reads it as 48 V. Calculate the percentage error in the measurement.

Solution:

\A_{ \m }=48 \V

\A_{ \t }=50 \V

From above concept,
Percentage error is given as

\% \E ={50-48}/50={2}/{50} ×100=4 \%

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