Two wires have lengths, resistances, resistivities each in the ratio 1 : 2. What is the ratio of their diameters ? [ HSLC' 2016]
(a) 1 : 2
(b) 1 : 4
(c) 4 : 1
(d) 1 : √2
Ans:- ??
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(b) 1 : 4 is the correct option
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