Answers

The Brainliest Answer!
2014-06-03T18:32:36+05:30
Let the lengths of segments be x,2x,4x and 8x
cutting into two segements doesn't effect resistivity and area of cross section
so for x length the resistance is 4 ohm
so the length of original segment is x+2x+4x+8x=15x
so the resistance is 60 ohm

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