Why is the resistivity of alloys are much more higher than pure metals?
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4
Explanation:
Free electrons are scattered off imperfections and alloys have many more of them than pure metals. The higher resistivity in alloys as compared to the constituents is caused by an additional scattering mechanism of the electrons called "alloy scattering". ... So there is a small relaxation time and hence large resistivity.
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2
Answer:
due to more ions
alloys contain more than one metal and hence have more electons
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