bjbailey967 bjbailey967

26-02-2020
Physics

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Three wires are made of copper having circular cross sections. Wire 1 has a length l and radius r. Wire 2 has a length l and radius 2r. Wire 3 has a length 2l and radius 3r. Which wire has the smallest resistance?

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nwandukelechi nwandukelechi

27-02-2020

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