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The resistance and the magnitude of the current depend on the path that the current takes. The drawing shows three situations in which the current takes different paths through a piece of material. Each of the rectangular pieces is made from a material whose resistivity is ρ = 1.50 x 10-2 Ω*m, and the unit of length in the drawing is L0 = 3 cm. Each piece of material is connected to a 3.00-V battery. Find (a) the resistance and (b) the current in each case.

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