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Question
Q7. A. Describe the no-load saturation characteristic of a d.c. generator.
B. A d.c. motor takes an armature current of 110 A at 480 V. The resistance of the armature circuit is 0.2 . The machine has six poles and the armature is lap-connected with 864 conductors. The flux per pole is 0.05 Wb. Calculate;
(i) The speed;
(ii) The gross torque developed by the armature.