阿摩線上測驗
6. When the temperature of a superconductor is lower than its critical point, the superconductor becomes perfectly
(A) ferromagnetic
(B) paramagnetic
(C) diamagnetic
(D) ferrimagnetic
(E) none of the above.
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統計： A(1), B(1), C(1), D(0), E(0) #3840116
統計： A(1), B(1), C(1), D(0), E(0) #3840116
