Question

A wire has a resistance of 12Ω. it is bent in the form of a circle , find the effective resistance between two points on any diameter.

Answer 1

Answer:

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Answer 2

Answer:

If a wire of resistance 12Ω is bent in the form of a circle.Then the resistance of upper and lower parts becomes 6, 6 respectively.

They are in parallel,

R1=R2=6Ω

1/Rp=1/R1+1/R2

1/Rp=1/6+1/6

1/Rp=2/6=1/3Ω

Rp=3Ω.

Explanation:

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