See image attached Example #:An 80% efficient, series wound domotor has an armature resistanceof0.020hmsandafieldresistance of 2000hms. Themotor suppliesdrawing an unknown current at440V. Determine:800Wwhenа.The power drawn by themotorb. The back emf

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Engineering

Electrical Engineering

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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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Question

See image attached

Example #:
An 80% efficient, series wound do
motor has an armature resistance
of
0.020hms
and
a
field
resistance of 2000hms. The
motor supplies
drawing an unknown current at
440V. Determine:
800W
when
а.
The power drawn by the
motor
b. The back emf

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