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Which outcome occurs when rapid inductor saturation happens in a SMPS circuit?

A)Increased MOSFET current and heating
B)Decreased switching frequency deviation
C)Improved voltage regulation bandwidth
D)Reduced electromagnetic interference emissions

💡 Explanation

Rapid inductor saturation causes increased MOSFET current and heating because the **inductance collapses**, allowing excessive current flow; therefore, the MOSFET overheats, rather than improved performance, because inductance is compromised under high-current conditions.

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