Question 4 A series motor drives a load at 1500 rev/min and takes a current of 20 A when the supply voltage is 250 V. if the total resistance of the motor is 1.5 Q and the iron, friction and windage losses amount to 400 W, determine the efficiency of the motor.
Question 4 A series motor drives a load at 1500 rev/min and takes a current of 20 A when the supply voltage is 250 V. if the total resistance of the motor is 1.5 Q and the iron, friction and windage losses amount to 400 W, determine the efficiency of the motor.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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![Question 4
A series motor drives a load at 1500 rev/min and takes a current of 20 A when the
supply voltage is 250 V. if the total resistance of the motor is 1.5 Q and the iron,
friction and windage losses amount to 400 W, determine the efficiency of the
motor.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F455cdd06-a0ef-4210-9c39-7c0365e33da7%2F47042b75-de2d-4080-b997-cab4f920afff%2Fpwyhrgmf_processed.png&w=3840&q=75)
Transcribed Image Text:Question 4
A series motor drives a load at 1500 rev/min and takes a current of 20 A when the
supply voltage is 250 V. if the total resistance of the motor is 1.5 Q and the iron,
friction and windage losses amount to 400 W, determine the efficiency of the
motor.
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