A. electrostatic voltmeter
B. hot wire voltmeter
C. isothermal voltmeter
D. electrodynamic voltmeter
Related Mcqs:
- In a Weston frequency meter, the magnetic axes of the two fixed coils are__________________?
A. parallel
B. perpendicular
C. inclined at 60°
D. inclined at 120° - In a Weston synchronoscope, the fixed coils are connected across_______________?
A. bus-bars
B. incoming alternator
C. a lamp
D. none of the above - A Weston synchronoscope is a________________?
A. moving coil instrument
B. moving iron instrument
C. dynamometer instrument
D. none of the above - A Weston frequency meter is_____________?
A. moving coil instrument
B. moving iron instrument
C. dynamometer instrument
D. none of the above - In Weston synchronoscope the moving coil is connected across______________?
A. bus-bars
B. incoming alternator
C. fixed coils
D. any of the above - A direct current can be measured by________________?
A. a D.C. potentiometer directly
B. a D.C. potentiometer in conjunction with a standard resistance
C. a D.C. potentiometer in conjunction with a volt ratio box
D. none of the above - Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the time at which it is being measured ?
A. Absolute instruments
B. Indicating instruments
C. Recording instruments
D. Integrating instruments - 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 an Anderson bridge, the unknown inductance is measured in terms of_______________?
A. known inductance and resistance
B. known capacitance and resistance
C. known resistance
D. known inductance - 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
