A uniform wire of length l and radius r has a resistance of 100 Ω. It is recast into a wire of radius r /2 .The resistance of new wire will be : [Main 9 April 2017]

Current Electricity Part 1

Section: Physics

Question : 43 of 100

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A uniform wire of length l and radius r has a resistance of 100 Ω. It is recast into a wire of radius

.The resistance of new wire will be :

[Main 9 April 2017]

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