According to application, instruments are classified as_____________?

Related Mcqs:

is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another_______________?

A. Tangent galvanometer B. Meggar C. Current transformer D. None of the above...

In a 3-phase power measurement by two wattmeter method, both the watt meters had identical readings. The power factor of the load was___________?

A. unity B. 0.8 lagging C. 0.8 leading D. zero...

To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken_______________?

A. from a source which is not the same as the unknown voltage B. from a battery C. from the same source as the unknown voltage D. any of the above...

In a single phase power factor meter the phase difference between the currents in the two pressure coils is___________________?

A. exactly 0° B. approximately 0° C. exactly 90° D. approximately 90°...

Volt box is a component to_____________?

A. extend voltage range B. measure voltage C. compare voltage in a box D. none of the above...