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A copper wire has a resistance of 10 Ω. If it is replaced with a wire of the same material and length but twice the cross-sectional area, its resistance will be ______.
20 Ω
10 Ω
5 Ω
2.5 Ω
5 Ω
Practice and solve "A copper wire has a resistance of 10 Ω. If it is replaced with a wire of the same material and lengt..." for Mathematics - Previous Year Paper 2024. The correct answer is Option C: 5 Ω. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A copper wire has a resistance of 10 Ω. If it is replaced with a wire of the same material and lengt..." for Mathematics - Previous Year Paper 2024. The correct answer is Option C: 5 Ω. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.