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← ScienceWithin a magnetic hard drive, which result accompanies exceeding the Curie temperature?
A)Loss of stored magnetic alignment✓
B)Increased resistance to external fields
C)Enhanced magnetic coercivity strength
D)Improved magnetostrictive transducer efficiency
💡 Explanation
Above the Curie temperature, the domain alignment order is lost due to increased thermal motion disrupting ferromagnetic coupling. Therefore, exceeding this threshold leads to data loss, because thermal agitation dominates rather than maintaining magnetic alignment.
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