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Which outcome reduces transformer lifespan upon magnetizing inductance saturation?

A)Increased core hysteresis losses
B)Harmonics generation and amplification
C)Reduced copper winding resistance
D)Suppressed electromagnetic field emission

💡 Explanation

Increased core hysteresis losses accelerates aging because when the magnetic core saturates, the permeability drops reducing the effective impedance and causing greater core flux densities leading to increased hysteresis losses rather than reduced losses or suppressed emissions therefore leading to premature insulation aging.

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