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← ScienceWhich mechanism causes lossless current flow in maglev's superconducting magnets?
A)Meissner effect expels magnetic fields
B)Cooper pair formation avoids scattering✓
C)Flux pinning anchors magnetic vortices
D)Quantum tunneling enables free flow
💡 Explanation
Cooper pair formation enables lossless current flow because correlated electrons pass unhindered through the lattice via phonon interactions, therefore, resistance vanishes, rather than flux expulsion which stabilizes the magnet or ordinary electron flow.
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