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A wire of a given material has length l and cross-sectional area A , and its resistance is 9 Ω. Another wire of the same material has length l/3 and cross-sectional area 3A. What will be the resistance of the second wire?
0.5 Ω
6 Ω
2 Ω
1 Ω
1 Ω
Practice and solve "A wire of a given material has length l and cross-sectional area A , and its resistance is 9 Ω. Anot..." for Mathematics - Previous Year Paper 2025. The correct answer is Option D: 1 Ω. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A wire of a given material has length l and cross-sectional area A , and its resistance is 9 Ω. Anot..." for Mathematics - Previous Year Paper 2025. The correct answer is Option D: 1 Ω. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.