If 50 feet of wire with a radius of 006 in has a resistance


Question: The resistance (in ohms) of a circular conductor varies directly with the length of the conductor and inversely with the square of the radius of the conductor. If 50 feet of wire with a radius of .006 in has a resistance of 10 ohms, what would be the resistance of 100 feet of the same wire if the radius is increased to .007 in?

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Algebra: If 50 feet of wire with a radius of 006 in has a resistance
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