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← ScienceWhich outcome reduces maximum coil current when a superconducting magnet quenches?
A)Flux pinning reduces current limit
B)Critical temperature decreases sharply
C)Normal zone propagates resistance✓
D)Magnetic field fully collapses instantly
💡 Explanation
Quenching causes a loss of superconductivity; therefore, the normal zone propagation increases resistance, because energy dissipation from resistance heats more of the coil driving it normal, rather than options like magnetic collapse alone.
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