4 None of the above A piece of copper and other of germanium

Last updated: 6/26/2023

4 None of the above A piece of copper and other of germanium are cooled from room temperature to 100 K 1 Conductivity of copper increases and that of germanium decrease 2 Conductivity of copper decreases and that of germanium increases 3 Conductivity of copper as well as germanium both decreases 4 Conductivity of copper as well as germanium both increases