A piece of copper and another of germanium are cooled from room temperature to text77 textK . The resistance of

Question

A piece of copper and another of germanium are cooled from room temperature to text77 textK . The resistance of (A) each of them increases (B) each of them decreases (C) copper decreases and of germanium increases (D) copper increases and of germanium decreases

Tardigrade Admin · Accepted Answer

Copper is a conductor. Germanium is a semiconductor When cooled, the resistance of copper decreases and that of germanium increases.

Q. A piece of copper and another of germanium are cooled from room temperature to 77 K . The resistance of

each of them increases

each of them decreases

copper decreases and of germanium increases

copper increases and of germanium decreases

Copper is a conductor. Germanium is a semiconductor When cooled, the resistance of copper decreases and that of germanium increases.

Q. A piece of copper and another of germanium are cooled from room temperature to $77 K$ . The resistance of

Copper is a conductor.
Germanium is a semiconductor
When cooled, the resistance of copper decreases and that of germanium increases.