A self-excited shunt generator fails to build up, because
- the field circuit is open
- The armature circuit is open
- the residual magnetism is absent
- The direction of rotation is wrong From these, the correct answer is
A. 3 only
B. 1, 3
C. 1, 2, 3 and 4
D. 1, 2 and 3
Show Answer
Answer: C
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