1.

The resistivities of copper and aluminum are respectively:

A. 2.83 × 10-8 and 1.72 × 10-8 Ohm metre
B. 41.72 × 10-8 and 1.60 × 10-8 Ohm metre
C. 1.60 × 10-8 and 1.72 × 10-8 Ohm metre
D. 1.72 × 10-8 and 2.83 × 10-8 Ohm metre
Answer» E.


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