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← ScienceWhich consequence results when exceeding the Curie temperature in ferromagnetic recording media?
A)Permanent loss of stored data✓
B)Increased read/write head efficiency
C)Giant magnetoresistance enhancement
D)Superconducting transition temperature elevation
💡 Explanation
The loss of data occurs because exceeding Curie temperature eliminates the ferromagnetic order; thermal energy overcomes the exchange interaction, therefore data is lost rather than improved sensing, or changing another phase.
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