Calculate its speed as a motor when drawing a line current

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A dc shunt machine has an open-circuit voltage of 220 V at 1200 rpm. The armature resistance is 0.2 W and field resistance is 110 Ω. Calculate its speed as a motor when drawing a line current of 60 A from 230 V mains. Assume that armature reaction demagnetizes the field to the extent of 5%.

Reference no: EM131265832

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