ch26-p060 - 60. We denote the copper rod with subscript c...

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60. We denote the copper rod with subscript c and the aluminum rod with subscript a . (a) The resistance of the aluminum rod is R L A a == ×⋅ × ρ 275 10 13 52 10 13 10 8 3 2 3 .. . mm m ch bg (b) Let R = c L /( π
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