Answer
$7.0\mu m$
Work Step by Step
We know that
$r=\frac{\mu_{\circ}}{2\pi B}$
We plug in the known values to obtain:
$r=\frac{(4\pi \times 10^{-7})(3.5)}{2\pi (0.10)}$
$r=7.0\times 10^{-6}=7.0\mu m$
Physics Technology Update (4th Edition)
by Walker, James S.
Published by
Pearson
ISBN 10:
0-32190-308-0
ISBN 13:
978-0-32190-308-2
Chapter 22 - Magnetism - Problems and Conceptual Exercises - Page 796: 73
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