A. the same dimensions and the same number of turns
B. the same dimension but different number of turns
C. the same number of turns but different dimensions
D. none of the above
Related Mcqs:
- 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° - In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at_____________?
A. 0°
B. 60°
C. 90°
D. 120° - The power factor of a single phase load can be calculated if the instruments available are_____________?
A. one voltmeter and one ammeter
B. one voltmeter, one ammeter and one wattmeter
C. one voltmeter, one ammeter and one energy meter
D. any of the above - 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 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 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 - A power factor meter has________________?
A. one current circuit and two pressure circuits
B. one current circuit and one pressure circuit
C. two current circuits and one pres¬sure circuit
D. none of the above - In a low power factor wattmeter the pressure coil is connected_______________?
A. to the supply side of the current coil
B. to the load side of the current coil
C. in any of the two meters at connection
D. none of the above - In a Weston synchronoscope, the fixed coils are connected across_______________?
A. bus-bars
B. incoming alternator
C. a lamp
D. none of the above - Induction type single phase energy meters measure electric energy in_______________?
A. kW
B. Wh
C. kWh
D. VAR
E. None of the above
