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
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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