Question: (a) A sheet of copper ( = 1.7 108 m) is 2.0 mm thick and has surface dimensions of 8.0 cm

(a) A sheet of copper (ρ = 1.7 × 10–8 Ω ∙ m) is 2.0 mm thick and has surface dimensions of 8.0 cm × 24 cm. If the long edges are joined to form a tube 24 cm in length, what is the resistance between the ends?
(b) What mass of copper is required to manufacture a 1 500-m-long spool of copper cable with a total resistance of 4.5 Ω?

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