TS EAMCET 18-July-2022 Shift 1 Solved Paper

Section: Physics

Question : 106 of 160

Marks: +1, -0

A metal wire of length L and radius r has a resistance R. If a wire of the same metal of length 2L and radius 3r is taken, then what will be its resistance?

‌
2
9
R
‌
2
3
R
‌
2
9π
R
‌
2
3π
R

Validate

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