A-A+
Compared to common electrical conductors supe
问题详情
Compared to common electrical conductors, superconductors
A.have little or no electrical resistance.
B.can be used for a long time.
C.are not energy-efficient.
D.can be made easily.请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:A