Which of the following is measured by using a vector voltmeter ?

Related Mcqs:

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...

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...

In a low power factor wattmeter the compensating coil is connected_______________?

A. in series with current coil B. in parallel with current coil C. in series with pressure coil D. in parallel with pressure coil...

In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be_______________?

A. unity B. 0.5 C. 0.3 D. zero...

Systematic errors are_________________?

A. instrumental errors B. environmental errors C. observational errors D. all of the above...