In an energy meter braking torque is produced to________________?
A. safe guard it against creep
B. brake the instrument
C. bring energy meter to stand still
D. maintain steady speed and equal to driving torque
A. static sensitivity
B. dynamic deviation
C. linearity
D. precision or accuracy
A multirangq instrument has________________?
A. multiple shunt or series resistances inside the meter
B. multicoii arrangement
C. variable turns of coil
D. multi range meters inside the measurement system
E. any of the above
The principle on which vector voltmeter is based is_____________?
A. that it works on the principle of complex variation
B. that it measures the response of linear ramp voltage
C. same as digital meter
D. that it measures the amplitude of a single at two points and at the same time measures their phase difference
The power of a n-phase circuit can be measured by using a minimum of_______________?
A. (n – 1) wattmeter elements
B. n wattmeter elements
C. (n + 1) wattmeter elements
D. 2n wattmeter elements
Which of the following is measured by using a vector voltmeter ?
A. Amplifier gain and phase shift
B. Filler transfer functions
C. Complex insersion loss
D. All of the above