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74. We use the expression for the ﬂux Φ
B
over the toroid crosssection derived in our solution to problem 52
obtain the coiltoroid mutual inductance:
M
ct
=
N
c
Φ
ct
i
t
=
N
c
i
t
µ
0
i
t
N
t
h
2
π
ln
µ
b
a
¶
=
µ
0
N
1
N
2
h
2
π
ln
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.
 Fall '08
 SPRUNGER
 Physics, Inductance

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