Question

please answer it guyzz..its urgent

Answer 1

1:2

because they are in ratios

Answer 2

Answer: The answer to this question is option “D”, and it is 1: root 2.  We know resistivity s = RA/e = (R X π(d/2)2)/l.  

Therefore, (4 s xl/R π) = d2. So, (4 s xl/R π)/(4 x 2s1 x 2l1)/ 2 x R1π which is equal to d12/d22.  = ½  

Therefore d1 = (1/ root 2) x d2. d2 = root2 x d1.  Therefore, d1:d2 = 1 : root 2