Answered: -R 2r (a) Coil on a toroidal iron core…

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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Consider a toroidal core, as shown in Figure 14.11 on page 709, that has a relative permeability of 1000, R=5 cm, and r=2 cm. Two windings are wound on the core, one with 200 turns and the other with 400 turns. A voltage source described by v(t)=10 cos(105t) is applied to the 200-turn coil, and the 400-turn coil is open circuited. Determine the current in the 200-turn coil and the voltage across the 400-turn coil. Assume that all of the magnetic flux is confined to the core and that the current is a pure sine wave.

-R
2r
(a) Coil on a toroidal iron core
(b) Magnetic circuit
Figure 14.11
The magnetic circuit for the toroidal coil.

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