Answer
$B = 1.26\times 10^{-4}~T$
Work Step by Step
We can find the magnetic field at the center of the small loop:
$B = \frac{\mu_0~i}{2r}$
$B = \frac{(4\pi\times 10^{-7}~H/m)~(200~A)}{(2)(1.00~m)}$
$B = 1.26\times 10^{-4}~T$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 30 - Induction and Inductance - Problems - Page 897: 17a
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