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← ScienceWhich outcome occurs when exceeding the Curie temperature in a nickel ferrite toroid core within an induction heater?
A)Loss of ferromagnetic hysteresis✓
B)Increased eddy current suppression
C)Enhanced magnetic domain alignment
D)Reduced core magnetostriction effects
💡 Explanation
Exceeding the Curie temperature causes loss of ferromagnetic hysteresis because thermal energy disrupts the alignment of the magnetic moments, therefore the core becomes paramagnetic rather than retaining magnetic properties, different from lower temperature outcomes.
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