A. parallel
B. perpendicular
C. inclined at 60°
D. inclined at 120°
Related Mcqs:
- 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 frequency meter is_____________?
A. moving coil instrument
B. moving iron instrument
C. dynamometer instrument
D. none of the above - To measure radio frequency, the suitable frequency meter is_______________?
A. Weston frequency meter
B. reed vibrator frequency meter
C. heterodoxy frequency meter
D. electrical resonance frequency meter - The two pressure coils of a single phase power factor meter have_________________?
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 - 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° - A Weston synchronoscope is a________________?
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 - E.m.f. of a Weston cell is accurately measured by________________?
A. electrostatic voltmeter
B. hot wire voltmeter
C. isothermal voltmeter
D. electrodynamic voltmeter - In a vibrating reed frequency meter the natural frequencies of two adjacent reeds have a difference of_________________?
A. 0.1 Hz
B. 0.25 Hz
C. 0.5 Hz
D. 1.5 Hz
