A wire is wound around one leg of a square- shaped infinitely permeable core with a cross sectional area Ac = 4 cm2 and an air gap of length g= 3 mm forming a solenoid with a number of turns N = 150 turns. The magnetic field inside such a solenoid is axially directed and essentially uniform. The magnetic field outside the solenoid can be negligible. Is this a force-producing or torque-producing device? Calculate the axial pressure in N/m2 trying to close the air gap for constant coil current | = 1.5 A. %3D

A wire is wound around one leg of a square- shaped infinitely permeable core with a cross sectional area Ac = 4 cm2 and an air gap of length g= 3 mm forming a solenoid with a number of turns N = 150 turns. The magnetic field inside such a solenoid is axially directed and essentially uniform. The magnetic field outside the solenoid can be negligible. Is this a force-producing or torque-producing device? Calculate the axial pressure in N/m2 trying to close the air gap for constant coil current | = 1.5 A. %3D

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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