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← ScienceWhich mechanism causes complete resistance loss in superconducting magnets?
A)Cooper pair formation✓
B)Increased electron-phonon scattering
C)Magnetic domain alignment
D)Quantum Hall resistance transition
💡 Explanation
Complete resistance loss occurs because Cooper pair formation, where electrons pair up with opposite spins/momentum. This collective state allows electrons to move without scattering; therefore, the magnet becomes superconducting rather than just highly conductive at low temperatures.
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