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.Management Sciences
A. magnetic flux, direction of current flow and resultant force
B. magnetic flux, direction of motion and the direction of e.m.f. induced
C. magnetic field strength, induced voltage and current
D. magnetic flux, direction of force and direction of motion of conductor
Related Mcqs:
- A separately excited generator as compared to a self-excited generator_____________?
- A. is amenable to better voltage control B. is more stable C. has exciting current independent of load current D. has all above features...
- In D.C. generators, the brushes on commutator remain in contact with conductors which_________________?
- A. lie under south pole B. lie under north pole C. lie under interpolar region D. are farthest from the poles...
- Which of the following statement about D.C. generators is false ?
- A. Compensating winding in a D.C. machine helps in commutation B. In a D. C. generator interpoles winding is connected in series with the armature winding C. Back pitch and front pitch are both odd and approximately equal to the pole pitch D. Equilizing bus bars are used with parallel running of D.C. shunt gen¬erators...
- The e.m.f. generated in a D.C. generator is directly proportional to____________?
- A. flux/pole B. speed of armature C. number of poles D. all of the above...
- Which generator would you prefer for feeding long D.C. transmission lines ?
- A. Series generator B. Shunt generator C. Over compound generator D. Flat compound generator...
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