ch29-p070 - 70(a With cylindrical symmetry we have external...

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Unformatted text preview: 70. (a) With cylindrical symmetry, we have, external to the conductors, B= µ 0 ienc 2π r which produces ienc = 25 mA from the given information. Therefore, the thin wire must carry 5.0 mA. (b) The direction is downward, opposite to the 30 mA carried by the thin conducting surface. ...
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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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