Solve.At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 0.44 ohm when the diameter is 1 mm and the length is 220 cm, what is the resistance when the diameter is 2 mm and the length is 2370 cm?
A. 592.5 ohm
B. 260.7 ohm
C. 2.37 ohm
D. 1.185 ohm
Answer: D
Mathematics
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