A : Copper is used for making electric w...

A : Copper is used for making electric wires.
R : Metal with low resistivity behave as good conductors.

A

A' and 'R" are correct and 'R' to correct explanation of 'A'

B

A' and 'R' are but 'R' is not correct expplanation of 'A'

C

A' is correct but 'R' is inocorrect

D

A' is incorrent but 'R' is correct

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The correct Answer is:

a

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