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Which outcome arises following domain realignment within a transformer core material at elevated temperatures?

A)Increased hysteresis energy loss
B)Enhanced magnetic field confinement
C)Decreased operational switching frequency
D)Improved conductive heat dissipation

💡 Explanation

Increased hysteresis arises with temperature in magnetic cores because thermal agitation disrupts the magnetic dipole alignment, thus increasing energy dissipation during each cycle of alternating the magnetic field rather than efficient low-loss ferromagnetic ordering.

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