Q4. (a) A conductor moves with a velocity of 15 m/s at an angle of (a) radian, (b) 45-• and (c) 30- to a magnetic field produced between two square-faced poles of side length 2 cm. If the flux leaving a pole face is 5uWb, find the magnitude of the induced emf in each case. (b) Briefly explain 3 benefits of improving power factor in the manufacturing industry (c) The simple magnetic circuit shown in fig 6. has a cross-sectional area of 50cm and mean length of 2m. The relative permeability of the core is 100. The coil has 250 turns and the flux produced is 100µWb. Find: iron core I50 sq cm PN-250 mean leagth (a)Reluctance of the magnetic circuit. (b) Current flowing through the coil. --

Q4. (a) A conductor moves with a velocity of 15 m/s at an angle of (a) radian, (b) 45-• and (c) 30- to a magnetic field produced between two square-faced poles of side length 2 cm. If the flux leaving a pole face is 5uWb, find the magnitude of the induced emf in each case. (b) Briefly explain 3 benefits of improving power factor in the manufacturing industry (c) The simple magnetic circuit shown in fig 6. has a cross-sectional area of 50cm and mean length of 2m. The relative permeability of the core is 100. The coil has 250 turns and the flux produced is 100µWb. Find: iron core I50 sq cm PN-250 mean leagth (a)Reluctance of the magnetic circuit. (b) Current flowing through the coil. --

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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