If we add impurity to a metal those atoms also deflect electrons. Therefore,

Question

If we add impurity to a metal those atoms also deflect electrons. Therefore,, the electrical and thermal conductivities both increase, the electrical and thermal conductivities both decrease, the electrical conductivity increases but thermal conductivity decreases, the electrical conductivity decrease but thermal conductivity increases

MARKS App · Accepted Answer

If the number of electrons increase, their number of collision, increasing the thermal and electrical resistance. So, electrical and thermal conductivities both decrease.

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