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← ScienceWhich limitation arises applying strong external fields to ferromagnetic materials in torque magnetometry?
A)Magnetization hinders sensitive torque readings
B)Coercivity saturates, reducing signal change
C)Hysteresis losses limit high-frequency measurements✓
D)Demagnetization forces induce domain wall collapse
💡 Explanation
Hysteresis losses increase significantly, limiting response time, because domain switching requires energy. Therefore, high-frequency AC measurements are dampened, rather than options A, B, or D occurring, which describe equilibrium or DC effects.
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