Q)
(chatquestion)...23. Consider two thin identical conducting wires covered with
very thin insulating material. One of the wires is bent into a
loop and produces magnetic field B1, at its centre when a
current I passes through it. The ratio B : B, is:
[Online April 12, 2014]
(c) 1:9
(a) 1:1
(b) 1:3
(d) 9:1
1 Answer
...