MEASURING INSTRUMENTS - Quiz

1) Which electrical effect that the single phase energy meter works?

Heating effect Induction effect Chemical effect Electrostatic effect

2) Which is the position to use the instrument provided with spring control?

Any position Vertical position only Inclined position only Horizontal position only

3) Which instrument is an example of an integrating instrument?

AC voltmeter DC voltmeter Energy meter Tangent galvanometer

4) How the creeping error is controlled in energy meter?

By reducing rated voltage By increasing the inductive load Deflection of force is directly proportional to the square of the Current Deflection force is inversely proportional to the square of the Current

5) Which source of measuring error is caused by the effect of magnetic fields?

Device error Human error Influence error Switching error