Materials and Components
The residual resistivity of a binary alloy at 0 K is

Product of residual resistivities of component metals
Dependent on the concentration of minor component in the alloy
Sum of residual resistivities of component metals
Difference of residual resistivities of component metals

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Materials and Components
With increase in temperature, the electrical conductivity would

Increase in metals but decrease in intrinsic semiconductor
Increase in metals as well as in intrinsic semiconductor
Decrease in metals but increase in intrinsic semiconductor
Decrease in metals as well as in intrinsic semiconductor

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