ch26-p014 - 14. We use R/L = /A = 0.150 /km. (a) For copper...

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14. We use R / L = ρ / A = 0.150 /km. (a) For copper J = i / A = (60.0 A)(0.150 /km)/(1.69 × 10 –8 ·m) = 5.32 × 10 5 A/m 2 . (b) We denote the mass densities as m . For copper, ( m / L ) c = ( m A ) c = (8960 kg/m 3 ) (1.69 × 10 –8 · m)/(0.150 /km) = 1.01 kg/m. (c) For aluminum
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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