What happens to the electrical conductivity and resistivity of metals when exposed to a low temperature surroundings?Group of answer choicesElectrical conductivity of metals will become high and its electrical resistivity will become low.Electrical conductivity and resistivity of metals will be undetermined because of the low temperature.Electrical conductivity of metals will become low and its electrical resistivity will become low as well.Electrical conductivity of metals will become high and its electrical resistivity will become high as well.
Question
What happens to the electrical conductivity and resistivity of metals when exposed to a low temperature surroundings?Group of answer choicesElectrical conductivity of metals will become high and its electrical resistivity will become low.Electrical conductivity and resistivity of metals will be undetermined because of the low temperature.Electrical conductivity of metals will become low and its electrical resistivity will become low as well.Electrical conductivity of metals will become high and its electrical resistivity will become high as well.
Solution
The correct answer is: Electrical conductivity of metals will become high and its electrical resistivity will become low.
Here's why:
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Electrical conductivity is the measure of a material's ability to conduct electric current. When a metal is cooled, the vibrations of its atoms decrease. This means that there are fewer obstructions for the flow of electric current, so the electrical conductivity increases.
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Electrical resistivity is the measure of a material's opposition to the flow of electric current. It's the inverse of electrical conductivity. So, when the electrical conductivity increases, the electrical resistivity decreases.
Therefore, when metals are exposed to low temperature surroundings, their electrical conductivity becomes high and their electrical resistivity becomes low.
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