ch32-p057 - 57. (a) From = iA = iRe2 we get i= Re2 = 8.0...

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57. (a) From 2 e iA i R µ == π we get i R e × × ππ ( 6 . 3 7 1 0 2 22 6 8 80 10 63 10 . . J/T m) A. 2 (b) Yes, because far away from the Earth the fields of both the Earth itself and the current loop are dipole fields. If these two dipoles cancel each other out, then the net field will be
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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