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← ScienceWhich consequence occurs to transformer core magnetic domains cycling near saturation?
A)Increased hysteresis energy losses✓
B)Decreased core relative permeability
C)Elevated eddy currents magnitude
D)Reduced device overall output power
💡 Explanation
Increased hysteresis losses result because repeated magnetisation and demagnetisation forces domain wall motion against lattice friction (magnetic domain drag). This process dissipates energy as heat, therefore elevating loss, rather than altering permeability/power under normal operating conditions.
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