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A 250 Volts de shunt motor has Rf=150 ohm and Ra= 0.6 ohm. The motor operates on no-load with a full field flux at

A 250 Volts de shunt motor has Rf=150 ohm and Ra= 0.6 ohm. The motor operates on no-load with a full field flux at its base speed of 1000 rpm with Ia = 5 Amps. If the machine drives a load requiring a torque of 100 Nm, calculate armature current and speed of the motor. (8)

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