The resistance of a certain conductor , 300 mil diameter and 20 ft long is 200 x10^-3 Q. Calculate its resistivity in micro-ohms (u-2).

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Q: What is the electrical resistance of a copper wi

A: Givenr=0.8 mm=0.8×10-3 mL=2 mρ=1.72×10-8 Ωm

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Q: "Two charges q1 = 2.0 nC and q2 = 9.0 nC are placed at (x = 2.0 m, y = 0) and (x = 0, y = 8.0 m)…

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