A) 50 : 1
B) 1 : 50
C) 100 : 1
D) 1 : 100
Correct Answer: B
Solution :
If a wire of length l is bent in the form of a circle of radius r then \[2\pi r=l\] Þ \[r=\frac{l}{2\pi }\]You need to login to perform this action.
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