Which method (s) of energy storage takes advantage of the fact that certain materials can contain an electrical current almost indefinitely under extremely cold conditions?
A) compressed air energy storage
B) pumped hydroelectric storage
C) superconducting magnetic energy storage
D) all of these choices are correct
E) compressed air energy storage and pumped hydroelectric storage

Question

Quizplus · Accepted Answer

Superconducting magnetic energy storage takes advantage of the fact that certain materials can contain an electrical current almost indefinitely under extremely cold conditions. Compressed air energy storage and pumped hydroelectric storage do not utilize this property.

Which Method (S) of Energy Storage Takes Advantage of the Fact