If each copper atom in a wire were to contribute two conduction electrons instead of just one, its conductivity would
A) increase by a factor of 4 .
B) increase by a factor of 2.
C) remain the same.
D) decrease by a factor of 2 .
E) decrease by a factor of 4 .

Question

Quizplus · Accepted Answer

The conductivity of a material is directly proportional to the number of charge carriers (in this case, conduction electrons) available. Doubling the number of conduction electrons would double the conductivity.

If Each Copper Atom in a Wire Were to Contribute