problem29_47

# problem29_47 - 29.47 a B BA 2 d B d i a a di di 2R iR 0 iR...

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29.47: a) . 2 2 0 2 0 a i a a i BA B π μ π μ = = = Φ b) a R i dt di iR dt di a a i dt d iR dt d B π μ π μ π μ ε 0 0 0 2 2 2 - = = - = - = Φ - = c) Solving . yields for 2 ) 2 ( 0 0 0 a R t e i i(t) i(t) a R dt i di π μ π μ - = - = d) We want ) 2 ln(0.010) ) 010 . 0 ( ) ( 0 0 0 ) 0 2 ( a R t( e i i t i a R t π μ π μ - = = = - s. 10 4.55 (0.010) ln ) 2(0.10 m) 50 . 0 ( ln(0.010) 2 5 0 0 - × = - = - =
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• Spring '08
• ROSS
• Magnetism, µ, 0.50 m, dt dt

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