Computer · DC Generators
Which of the following conditions will NOT prevent a self-excited DC generator from building up its rated electromotive force (e.m.f.)?
- 1Absence of residual magnetism in the poles
- 2Wrong direction of rotation of the armature
- 3Armature running at its rated speed✓
- 4An open circuit in the field winding
Correct answer
Armature running at its rated speed
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