16. A) In DC motor, the force on the current-carrying conductor in a magnetic field depends upon four factors, mention them and write the equation of that force. B) A D.C motor has a speed of (1000 r.p.m) when connected to a (400 V) supply. Find the approximate value of the speed of the motor when connected to a (220 V) supply, assuming the flux decreases by (20%) and neglecting the armature volt drop?

16. A) In DC motor, the force on the current-carrying conductor in a magnetic field depends upon four factors, mention them and write the equation of that force. B) A D.C motor has a speed of (1000 r.p.m) when connected to a (400 V) supply. Find the approximate value of the speed of the motor when connected to a (220 V) supply, assuming the flux decreases by (20%) and neglecting the armature volt drop?

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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