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Which outcome results when a superconducting quantum interference device exceeds its critical current?

A)Abrupt transition to normal conductance
B)Increased signal-to-noise ratio
C)Enhanced Cooper pair formation
D)Improved magnetic flux quantization

💡 Explanation

When a SQUID’s current surpasses the critical value, *quasiparticle excitation* occurs, destroying superconductivity. Disrupting the Cooper pairs means normal conductance returns because the material loses its zero-resistance state, rather than maintaining superconductivity.

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