Physics, 19.07.2019 16:30 tabbydory3366

The electrical resistance of a wire varies directly as its length and inversely as the square of its diameter. a wire with a length of 200 inches and a diameter of one-quarter of an inch has a resistance of 20 ohms. find the electrical resistance in a 500 inch wire with the same diameter.

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The electrical resistance of a wire varies directly as its length and inversely as the square of its...