Answered: A d.c. series motor is running whith a…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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A d.c. series motor is running whith a speed of 800 r.p.m. while taking a current of 20 A from the supply. If the load is changed such that the current deawn by the motor is increased to 50 A , calculate the speed of the motor on new load . The armature and series field winding resistances are 0.2 ohm and 0.3 ohm respectively . Assume the flux produced is proportional to the current . Assume supply voltage as 250 V

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