In D.C. generators the pole shoes are fastened to the pole core by A) Rivets B) Counter sunk screws C) Brazing D) Welding
The commutator segments are connected to the armature conductors by means of A) Copper lugs B) Resistance wires C) Insulation pads D) Brazing
The resistance of armature winding depends on A) Length of conductor B) Cross-sectional area of the conductor C) Number of conductors D) All of the above
The armature of D.C. generator is laminated to A) Reduce the bulk B) Provide the bulk C) Insulate the core D) Reduce eddy current loss