A uniform metal wire of length / has 10Ω resistance. Now this wire is stretched to a length 2/ and then bent to form a perfect circle. The equivalent resistance across any arbitrary diameter of that c

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A uniform metal wire of length / has 10Ω resistance. Now this wire is stretched to a length 2/ and then bent to form a perfect circle. The equivalent resistance across any arbitrary diameter of that circle isNEET 2024 (Re-NEET)

TestHub · Accepted Answer

R 0 ​ = 10Ω After stretching its length upto 2l R 1 ​ = n 2 R 0 ​ = 4 R 0 ​ = 40Ω R A B ​ = 20 + 20 20 × 20 ​ = 10Ω

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