Asked by nataneim
Nine identical wires , each of diameter d and length L, are connected in parallel. The combination has the resistance as a single similar wire of length L but whose diameter is ______?
Answers
Answered by
R_scott
wire resistance is inversely proportional to cross sectional area (radius^2)
9* r^2 = (3r)^2
9* r^2 = (3r)^2
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