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A 250-V, 25-kW, 4-pole d.c. the generator has 328 wave-connected armature conductors. When the machine is delivering the full load, the brushes are given a

A 250-V, 25-kW, 4-pole d.c. the generator has 328 wave-connected armature conductors. When the machine is delivering the full load, the brushes are given a lead of 7.2 electrical degrees. Calculate the cross-magnetizing amp-turns/pole.

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