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Two different wires have specific resistivities, lengths and areas of cross-section in the ratio 3:4, 2:9 and 8:27 respectively. Find the ratio of resistances of the two wires. |
| Answer» Two different wires have specific resistivities, lengths and areas of cross-section in the ratio 3:4, 2:9 and 8:27 respectively. Find the ratio of resistances of the two wires. | |