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In figure shows a rectangular block with...

In figure shows a rectangular block with dimensions x , 2 x and 4 x . Electrical contacts can be made to the block between opposite pairs of faces (for example, between the faces labelled A - A , B - B and C - C ). Between which two faces would the maximum electrical resistance be obtained ( A - A : Top and bottom faces, B - B : Left and right faces, C - C : Front and rear faces)

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