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← ScienceWhich consequence increases in superconducting RF cavities at high currents?
A)Increased probability of quench events✓
B)Decreased quality factor of cavity
C)Reduced critical magnetic field
D)Elevated BCS surface resistance
💡 Explanation
An accelerating cavity can ‘quench’ at high current because of excessive losses causing local heating; the mechanism is increased Ohmic dissipation when magnetic fields induce currents in resistive grain boundaries therefore leads to rapid transition to normal conductivity, triggering a quench, rather than the other scenarios involving linear behaviors.
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