Answered: The magnetic core in Figure 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 magnetic core in Figure has a square cross section of 3 × 3 cm. The air gap x = 5 mm. The coil has 250 turns and a resistance of 11 Ω. The f.m.m. that iron needs is negligible. Calculate the energy stored in the air gap and the total force acting on the armature when 220 V DC is applied to the coil.

Translation of the image: Espiras (Loops), Armadura Fija (Fixed Armature), Armadura Móvil (Mobile Armature)

+ O
220V
Armadura fija
'7
250 espiras
R=1192
x=5mm
fx
Armadura móvil
S=9cm²

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