1.

What is the reciprocal of resistance of a material called? Give its unit.

A. Conductance, ohm<sup>-1</sup>
B. Conductivity, ohm<sup>-1</sup> m<sup>-1</sup>
C. Conductance, ohm<sup>-1</sup> m<sup>-1</sup>
D. Conductivity, ohm<sup>-1</sup>
Answer» B. Conductivity, ohm<sup>-1</sup> m<sup>-1</sup>


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