Mathematics, 26.03.2021 04:40 jaumonking
The electrical resistance R of a wire varies directly with the length l of the wire and inversely with the square of the diameter d of the wire. If a wire 675 feet long and 5 millimeters in diameter has a resistance of 1.24 ohms, find the resistance in a wire that is 535 feet long with a diameter of 4 millimeters.
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