Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter ArenaQuestion
← ScienceWhich consequence results when a ferromagnetic core is subjected to intense alternating current at its Curie temperature?
A)Increased hysteresis losses occur
B)Spontaneous magnetization decreases✓
C)Eddy currents are effectively reduced
D)Material attains permanent superparamagnetism
💡 Explanation
Spontaneous magnetization reduces because surpassing the Curie temperature causes a disruption of the ferromagnetic ordering via the exchange interaction. Therefore, magnetization diminishes drastically, rather than hysteresis increasing or favoring current reduction, below critical temperature.
🏆 Up to £1,000 monthly prize pool
Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.
Related Questions
Browse Science →- Which consequence results when inconsistencies arise in interferometer arm lengths?
- Which condition is indicated when calculating high Reynolds number past bluff body?
- Which outcome limits a catalytic converter's efficiency given fixed rate constants?
- Which mechanism distorts observed galactic shapes near black holes?
- Which defect is amplified when optical fibers undergo stress birefringence?
- Which reaction occurs when hydrofluoric acid dissolves glass?
