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A wire with resistance R is cut into seven equal parts. These parts are then connected in parallel. If the equivalent resistance of this new combination is R′, what is the value of the ratio R / R′?
1/49
1/7
7
49
49
Practice and solve "A wire with resistance R is cut into seven equal parts. These parts are then connected in parallel. ..." for General Science - Previous Year Paper 2024. The correct answer is Option D: 49. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A wire with resistance R is cut into seven equal parts. These parts are then connected in parallel. ..." for General Science - Previous Year Paper 2024. The correct answer is Option D: 49. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.