A. bus-bars
B. incoming alternator
C. a lamp
D. none of the above
Related Mcqs:
- In Weston synchronoscope the moving coil is connected across______________?
A. bus-bars
B. incoming alternator
C. fixed coils
D. any of the above - A Weston synchronoscope is a________________?
A. moving coil instrument
B. moving iron instrument
C. dynamometer instrument
D. none 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° - A Weston frequency meter is_____________?
A. moving coil instrument
B. moving iron instrument
C. dynamometer instrument
D. none 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 - 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° - When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is____________?
A. short-circuited
B. all right
C. faulty - If an inductance is connected in one arm of bridge and resistances in the remaining three arms____________?
A. the bridge can always be balanced
B. the bridge cannot be balanced
C. the bridge can be balanced if the resistances have some specific values
