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90. (a)
From Eq. 3028, we have
92
3
(150)(50 10 T m )
3.75 mH
2.00 10
A
N
L
i
−
−
Φ×
⋅
==
=
×
.
(b) The answer for
L
(which should be considered the
constant
of proportionality in
Eq. 3035) does not change; it is still 3.75 mH.
(c) The equations of Chapter 28 display a simple proportionality between magnetic field
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics

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