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When running at 4000rpm with an applied voltage of 42v, a DC permanent magnet motor develops 23.1W...

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Electrical Engineering

When runningat 4000rpm with an applied voltage of 42v, a DC permanent magnetmotor develops 23.1W of output power. The motor has a theoreticalno-load speed of 6000rpm at an applied voltage of 42v.

What is themotor output torque at 4000rpm in N-m, What is the motorstheoretical back-EMF constant, What is the motors theoreticaltorque constant, What is the motors theoretical stall torque, Whatis the motors armature resistance, What is the motors efficiency at4000rpm when operated at 42v.

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