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1.8 A 150 V DC motor draws a current of 25 A when running at 1200 r/min. If the torque on the shaft of the motor is 24.88 Nm, determine the following: (a) The % efficiency of the motor. (b) The power loss in the motor in W.

1.8 A 150 V DC motor draws a current of 25 A when running at 1200 r/min. If the torque on the shaft of the motor is 24.88 Nm, determine the following: (a) The % efficiency of the motor. (b) The power loss in the motor in W.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Electrical Machines Q1.8

1.8 A 150 V DC motor draws a current of 25 A when running at 1200 r/min. If the torque on the shaft of the motor is 24.88 Nm, determine the following: (a) The % efficiency of the motor. (b) The power loss in the motor in W.
Transcribed Image Text:1.8 A 150 V DC motor draws a current of 25 A when running at 1200 r/min. If the torque on the shaft of the motor is 24.88 Nm, determine the following: (a) The % efficiency of the motor. (b) The power loss in the motor in W.
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