Mathematics, 25.11.2019 08:31, heyItsLuna234

The resistance, r of a wire varies directly as the length, l, and inversely as the diameter, d, squared. if r is 1.50ohms when l=2.0 m and d=1.5 mm, what is the resistance of a wire made of the same material that is 8.0 m long and has a diameter of 3.0 mm?

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The resistance, r of a wire varies directly as the length, l, and inversely as the diameter, d, squa...