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18. We consider Eq. 296 but with a finite upper limit (
L
/2 instead of
∞
).
This leads to
0
22
/2
2
(/
2
)
i
L
B
R
LR
µ
=
+
π
.
In terms of this expression, the problem asks us to see how large
L
must be (compared
with
R
) such that the infinite wire expression
B
∞
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This note was uploaded on 06/08/2010 for the course PHY 1356 taught by Professor Bonamente during the Spring '10 term at UAA.
 Spring '10
 Bonamente

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