Physics · Electrical Machines
What is the primary cause of a sudden drop in insulation resistance in a DC generator?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Excessive Armature Current
- 2Moisture Ingress or Contamination✓
- 3Increase in Rotational Speed
- 4High Ambient Temperature
Correct answer
Moisture Ingress or Contamination
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