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Mathematics, 30.12.2021 14:00 joshuag9047

A permanent magnet d. c. 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 20 rev/s and draws 40 A. 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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A permanent magnet d. c. motor has an armature resistance of 0.5 Ω and when a voltage of 120 V is ap...
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