Five cylindrical wires are made of the same material. Their lengths and radii are wire 1 : length l, radius r wire 2 : length 3l/2, radius r/2 wire 3 : length l/2, radius r/2 wire 4: length l, radius r/2 wire 5 : length 5l, radius r/2 Rank the wires according to their resistances, least to greatest.
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