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zorro
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Homework Statement
All the wires on the front and the back hexagonal face (of the Skelton hexagonal prism) have resistance R. All the wires along the lines joining the vertices of two hexagons have resistance 2R. The equivalent resistance between P and Q as shown in the figure is
The Attempt at a Solution
To me the wires joining the two faces of hexagon are redundant as the current through them is 0 (balanced wheatstone bridges). So the resistance between P and Q is 3R/2. But this is not the correct answer.