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A uniform wire of resistance 4Omega is b...

A uniform wire of resistance `4Omega` is bent into circle of radius `r`. As specimen of the same wire is connected along the dimeter of the circle. What is the equivalent resistance across the ends of this wire?

A

`(4)/((4+pi))Omega`

B

`(3)/((3+pi))Omega`

C

`(2)/((2+pi))Omega`

D

`(1)/((1+pi))Omega`

Text Solution

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The correct Answer is:
C
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