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← ScienceWhich outcome occurs when operating a SQUID magnetometer above its material-specific critical temperature?
A)Loss of near-zero electrical resistance✓
B)Increased sensitivity to magnetic fields
C)Enhanced quantum tunneling probability
D)Increased stability against thermal fluctuations
💡 Explanation
Above the critical temperature, the **Meissner effect** breaks down because the material loses superconducting properties, therefore increased electrical resistance ensues rather than retaining superconductivity, allowing increased magnetic field sensitivity
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