Short circuiting is caused in the armature winding due to
A. failure of insulation between two turns of a coil.
B. failure of insulation between two commutator bars.
C. grounding of two or more turns of the same coil.
D. any of the above.
Answer:D
Short circuiting is caused in the armature winding due to
A. failure of insulation between two turns of a coil. B. failure of insulation between two commutator bars. C. grounding of two or more turns of the same coil. D. any of the above.