The BiotSavart law shows that the magnetic field of a current element decreases as 1/r 2 .

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The Biot–Savart law shows that the magnetic field of a current element decreases as 1/r2 . Could you put together a complete circuit whose field exhibits this decrease? Why or why not?

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Essential University Physics

ISBN: 978-0321976420

3rd Edition Volume 2

Authors: Richard Wolfsonby

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