A superconductor can be described as having electrons that
A) are bound to individual atoms.
B) are free to move randomly around the material, colliding with atoms from time to time.
C) combine with matter in a way that changes the material.
D) can move freely without losing energy.
E) bind together so tightly they do not move.

Question

Quizplus · Accepted Answer

Superconductors have electrons that can move freely without losing energy. This is what allows them to conduct electricity with zero resistance. Options A, C, and E suggest that the electrons are either bound to individual atoms, combining with matter in a way that changes the material, or bound together tightly, which is not the case for superconductors. Option B suggests that the electrons are still colliding with atoms, which is not the case for superconductors when they are cooled below their critical temperature.

A Superconductor Can Be Described as Having Electrons That