Q
Due to which of the following fact, in India, aluminium is replacing copper ?
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A
A. Aluminium is more ductile and malleable than copper
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B
B. Aluminium is available in plenty, cheaper and lighter than copper
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C
C. Aluminium has lower resistivity than that of copper
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D
D. Aluminium has less temperature co-efficient than copper
Correct Answer:
B. B. Aluminium is available in plenty, cheaper and lighter than copper