problem29_72 - 29.72 a j c(max b jD(max 0 E0 dE dt 0.450 V...

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29.72: a) . m A 10 96 . 1 m 2300 m V 450 . 0 (max) 2 4 0 - × = = = ρ E j c b) ) m V 450 . 0 )( Hz 120 ( 2 2 (max) 0 0 0 0 0 0 πε πε ϖ ε ε = = = = fE E dt dE j D . m A 10 00 . 3 (max) 2 9 - × = D j c) s rad 10 91 . 4 1 If 7 0 0 0 0 × = = = = ρε ε ρ ω E ω E j j D c Hz. 10 82 . 7 2 s rad 10 91 . 4 2 6 7 × = × = = π π ω f d) The two current densities are out of phase by ° 90 because one has a sine function
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