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| Q. |
Copper wires are generally used for electrical power transmission instead of iron wire because |
| A. | copper is cheaper than iron |
| B. | copper is lighter than iron |
| C. | copper is a better conductor of electricity than iron |
| D. | copper can take higher power than iron |
| Answer» C. copper is a better conductor of electricity than iron | |
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Explanation: Copper is generally preferred for electrical power transmission instead of iron because of its high electrical conductivity and low resistivity. |
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