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Which risk seriously increases when impedance drops unexpectedly in a resonant inverter circuit?

A)Increased MOSFET current spiking
B)Decreased transformer core saturation
C)Harmonic distortion cancellation failure
D)Phase-locked loop frequency drifting

💡 Explanation

Increased MOSFET current spiking is a risk because diminished impedance in a resonant inverter circuit increases current flow through the MOSFETs via Ohm's Law. Therefore, MOSFET failure risk rises, rather than core saturation being lessened or PLL behaviour being affected.

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