Engineering, 13.12.2019 21:31 megamorph
Apermanent magnet dc motor has an armature resistance of 0.5 ω and when a voltage of 120 v is applied to the motor it reaches a steady‐state speed of rotation of 20rev/s and draws 40a. what will be:
(a) the power input to the motor?
(b) the power loss in the armature?
(c) the torque generated at that speed?
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