P30_036 - 36. (a) Replacing i/πR2 with J = 100 A/m2 , in...

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Unformatted text preview: 36. (a) Replacing i/πR2 with J = 100 A/m2 , in Eq. 30-22, we have B= µ0 J 2 r = 1.3 × 10−7 T where r = 0.0020 m. (b) Similarly, writing i = JπR2 in Eq. 30-19 yields B= where r = 0.0040 m. µ0 J R 2 = 1.4 × 10−7 T 2r ...
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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