An electricity and magnetism problem by Rohan Gupta

A wire of resistance 12 Ω \Omega /m is bent to form a complete circle of radius 10 cm. The resistance between the two diametrically opposite ends is:

3 π \pi /10 Ω \Omega 1.2 Ω \Omega 6 π \pi Ω \Omega 6 Ω \Omega

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