788_Physics ProblemsTechnical Physics

788_Physics ProblemsTechnical Physics - R L d = 4 2(c I V d...

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128 Current and Resistance P27.56 27 0 . yr P27.66 (a) see the solution; (b) 1 418 . nearly agrees with 1 420 . P27.58 50 0 . MW P27.68 (a) R L r r b a = ρ π 2 ln ; (b) ρ π = 2 L V I r r b a ln b g P27.60 (a) 116 V ; (b) 12 8 . kW ; (c) 436 W P27.62 (a) E i = V L ± ; (b)
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Unformatted text preview: R L d = 4 2 ; (c) I V d L = 2 4 ; P27.70 see the solution P27.72 see the solution (d) J i = V L ± ; (e) see the solution P27.74 see the solution P27.64 2 00 . Ω...
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