Single Answer MCQ
Q-00039952
Which metal is commonly used in electrical wiring due to its excellent conductivity?
1
Iron
2
Copper
3
Aluminium
4
Lead
Answer and Solution
Answer
B. Copper
Solution:
Copper is primarily used in electrical wiring because it has low resistance and high conductivity. Iron and lead do not have the same level of conductivity, and while aluminium is a conductor, copper is more efficient.
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