SSC JE Electrical Engineering 2015 Paper

Question : 113 of 199

Marks: +1, -0

A 150 V moving iron voltmeter of accuracy class 1.0 reads 75 V when used in a circuit under standard conditions. The maximum possible percentage error in the reading is:

Validate

Solution:

Accuracy class 1 mean 1% error at full scale reading.

% \of \error={\Full \Scale \Reading}/{\Measured \Reading}

× \Full \scale \error

=150/75×1=2.0

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