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Which consequence arises when a transformer's leakage inductance increases?

A)Lowered voltage regulation performance occurs
B)Increased core magnetic saturation appears
C)Reduced copper winding losses result
D)Higher transformer efficiency is achieved

💡 Explanation

Increasing leakage inductance elevates the voltage drop under load because it introduces greater inductive reactance. Increased inductive reactance results in lowered voltage regulation performance, therefore output voltage suffers under load, rather than improved regulation or changes in saturation or core losses.

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