Answered: The armature of a d.c. machine has 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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Question

The armature of a d.c. machine has a resistance of 0.25 ohm and is connected to a 300V supply. Calculate the e.m.f. generated when it is running: (a) as a generator giving 100A, and (b) as a motor taking 80A.

Expert Solution

Step 1

As per the question, it is given that

Resistance = 0.25 ohm

Voltage = 300 V

We have to calculate the e.m.f. generated

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