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How does the resistance of a metallic conductor change if its length is doubled while keeping the area of cross-section constant?
Remains the same
Doubles
Halves
Becomes four times
Doubles
Practice and solve "How does the resistance of a metallic conductor change if its length is doubled while keeping the ar..." for RRB JE CBT-1 - Physics · The correct answer is Option B: Doubles · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "How does the resistance of a metallic conductor change if its length is doubled while keeping the ar..." for RRB JE CBT-1 - Physics · The correct answer is Option B: Doubles · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.