A permanent-magnet dc motor has ra 05 omega with no load, Electrical Engineering

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A permanent-magnet dc motor has ra 05 omega with no load

A permanent-magnet dc motor has RA = 0.5 Ω. With no load, it operates at 1070 rpm and draws 0.5 A from a 12.6-V source. Assume that rotational power loss is proportional to speed. Find the output power and efficiency for a load that drops the speed to 950 rpm.

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Electrical Engineering: A permanent-magnet dc motor has ra 05 omega with no load

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Electrical Engineering: A permanent-magnet dc motor has ra 05 omega with no load

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