SOLUTION: the electrical resistance R of a wire varies directly as the length L and inversely as the square of the diameter d obtain an equation. connecting R, L and d if R =27 when 1=3 and

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Question 1134570: the electrical resistance R of a wire varies directly as the length L and inversely as the square of the diameter d obtain an equation. connecting R, L and d if R =27 when 1=3 and d =2,
calculate the
A. value of R. when L=8 and d=3
B. values of d when .R=16 and L=18

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