A uniform conducting wire of length is 24a, and resistance R is wound up as a current carrying coil in the shape of an equilateral triangle of side 'a' and then in the form of a square of side 'a'. The coil is connected to a voltage source 
. The ratio of magnetic moment of the coils in case of equilateral triangle to that for square is 
where y is
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(3)
In triangle shape 
In square 
[I will be same in both] 
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