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← ScienceWhich risk increases when a rapidly spinning ferromagnetic flywheel energy storage system experiences mechanical stress?
A)Reduced harmonic distortion in output
B)Catastrophic failure due to magnetostriction✓
C)Increased energy density of flywheel
D)Improved thermal management properties
💡 Explanation
Magnetostriction causes the flywheel to deform under stress that becomes catastrophic, because stress alters the magnetic domains. This causes further mechanical weaknesses therefore, rather than improving performance or thermal control, domain alignment fails.
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