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.Management Sciences
A. external resistance = internal char-acteristic – armature reaction
B. internal characteristic = magnetisation characteristic – ohmic drop
C. external characteristic = magnetisation characteristic – ohmic drop – armature reaction
D. magnetisation characteristic = external characteristic
Related Mcqs:
- For a D.C. generator when the number of poles and the number of armature conductors is fixed, then which winding will give the higher e.m.f___________ ?
- A. Lap winding B. Wave winding C. Either of A. and B. above D. Depends on other features of design...
- In case of D.C. machine winding, number of commutator segments is equal to______________?
- A. number of armature coils B. number of armature coil sides C. number of armature conductors D. number of armature turns...
- Which of the following components of a D.C, generator plays vital role for providing direct current of a D.C. generator ?
- A. Dummy coils B. Commutator C. Eye bolt D. Equilizer rings...
- In a separately excited generator supplying rated load the armature reaction.
- A. is always present B. is always absent C. may be sometimes present D. none of the above...
- The terminal voltage of a series generator is 150 V when the load current is 5 A. If the load current is increased to 10 A, the terminal voltage will be____________?
- A. 150 V B. less than 150 V C. greater than 150 V D. none of the above...
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