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A wire has a resistance of R. If its length is increased by a factor of 8 and its cross- sectional area is decreased by a factor of 4, what is its new resistance (R')?
R' = 8 R
R' = 16 R
R' = 32 R
R' = 2 R
R' = 32 R
Practice and solve "A wire has a resistance of R. If its length is increased by a factor of 8 and its cross- sectional a..." for Mathematics - Previous Year Paper 2024. The correct answer is Option C: R' = 32 R. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A wire has a resistance of R. If its length is increased by a factor of 8 and its cross- sectional a..." for Mathematics - Previous Year Paper 2024. The correct answer is Option C: R' = 32 R. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.