The resistance in the circuit of the moving coil of a dynamometer wattmeter should be_____________?

Related Mcqs:

Which of the following devices may be used for extending the range of instruments ?

A. Shunts B. Multipliers C. Current transformers D. Potential transformers E. All of the above...

A __________ device prevents the oscillation of the moving system and enables the latter to reach its final position quickly___________?

A. deflecting B. controlling C. damping D. any of the above...

The electrical power to a meggar is provided by________________?

A. battery B. permanent magnet D.C. generator C. AC. generator 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°...

The ratio of maximum displacement deviation to full scale deviation of the instrument is called_______________?

A. static sensitivity B. dynamic deviation C. linearity D. precision or accuracy...