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Two wires, A and B, of the same material, have the same length, but the cross-sectional area of wire A is twice that of wire B. The ratio of their resistances R A : R B is:
1 : 1
4 : 1
1 : 2
2 : 1
1 : 2
Practice and solve "Two wires, A and B, of the same material, have the same length, but the cross-sectional area of wire..." for General Science - Previous Year Paper 2024. The correct answer is Option C: 1 : 2. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "Two wires, A and B, of the same material, have the same length, but the cross-sectional area of wire..." for General Science - Previous Year Paper 2024. The correct answer is Option C: 1 : 2. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.