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Which risk increases when inductive load current exceeds breaker rating?

A)Arc flash and plasma formation
B)Eddy current core saturation
C)Dielectric gas intermolecular breakdown
D)Increased magnetostriction induced vibration

💡 Explanation

Exceeding a circuit breaker's rating can cause ionization of the air gap due to excessive current; this **thermal runaway** leads to extremely hot plasma, because the increased temperature sharply reduces resistance, resulting in a runaway current. This escalates to arc flash initiation rather than just eddy currents.

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