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← ScienceWhich mechanism reduces electrical resistance in superconducting magnets?
A)Cooper pair formation✓
B)Eddy current suppression
C)Josephson junction tunneling
D)Flux pinning enhancement
💡 Explanation
Superconducting magnets exhibit decreasing electrical resistance due to Cooper pair formation, where electrons condense into pairs and move without scattering. This allows lossless current flow, because the collective electron behavior bypasses obstacles, therefore resistance drops rather than energy dissipation increasing due to lattice vibrations.
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