First pic the question Second pic i did not understand step 3
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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First pic the question
Second pic i did not understand step 3

Transcribed Image Text:The magnetic circuit shown in
the figure has two windings and
two air gaps. The core can be
assumed to be of infinite
permeability.
dimensions are indicated in the
Core 00
Asca A
The
core
Ara A
N, ms
self-
figure.
inductances of windings I and2
and the mutual inductance
Find
the
Ny turas
between the windings.
Lu N.
I.
Req
NI2.
Reqa Rgill Rgz "
O, - N.I, (Roi +Rs)
N.
N, 1, IRSI +Rs)
I,
Ps, 92
Lu
Mダ。
.. NI
Reg
• Reg - P
N.
NE NI
Ro
Ln ス
N, I
N. NI,
I,
N2NI
L12=
Rg2

Transcribed Image Text:5:08 4
ONI, - is shostefaruit and Rg, is not sequiael at
winding-2 side
Rg2
: Reg, = Rg 2
.. $2 = N2 I2
Rg2
substituti p2 in O,>
L22= N2 x N2 Iz
I2
Rg2
Rg2
.. self Inductomce at winding-2 is
L22= N,2
wheoje N2= Numbey of tuoms at winding-2
K9, > Reluc tance at
gap-2
Step3
c)
Mutual Induct amce Betuoe en the winding-) & winding-2
42= N2 020
Il
But i2 = NII
Rgz
put O in0 > 412= 2 x Ni Il
Il
La mutual Inductamce
Rg2
> L12 = NIN2
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