When a wire of uniform cross section a, length and resistance R is bent into a complete circle, resistance between any two of diametrically opposite points will be R 4R 8 (b) 4R (4) 1 2 When a wire of uniform cross section a, length and resistance R is bent into a complete circle, resistance betwe...

When a wire of uniform cross-section a, length / and resistance R is bent into a...

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