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954_Physics ProblemsTechnical Physics

954_Physics ProblemsTechnical Physics - Chapter 34 1 P34.3...

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Chapter 34 295 P34.3 v c c = = = = × 1 1 1 78 0 750 2 25 10 0 0 8 κµ . . . m s P34.4 E B c = or 220 3 00 10 8 B = × . so B = × = 7 33 10 733 7 . T nT . P34.5 (a) f c λ = or f 50 0 3 00 10 8 . . m m s a f = × so f = × = 6 00 10 6 00 6 . . Hz MHz . (b) E B c = or 22 0 3 00 10 8 . . max B = × so B k max . ± = 73 3 nT . (c) k = = = 2 2 50 0 0 126 1 π λ π . . m and ω π π = = × = × 2 2 6 00 10 3 77 10 6 1 7 f . . s rad s e j B B k = = × max cos . cos . . ± kx t x t ω b g e j 73 3 0 126 3 77 10 7 nT . P34.6 ω π π = = × = × 2 6 00 10 1 88 10 9 1 10 1 f . . s s k c = = = × × = = 2 6 00 10 3 00 10 20 0 62 8 9 1 8 1 π λ ω π π . . . . s m s m B E c max . . = = × = 300 3 00 10 1 00 8 V m m s T µ E x t = × 300 62 8 1 88 10 10 V m b g e j cos . . B x t = × 1 00
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