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← TechnologyWhich consequence results when inductive kickback exceeds breaker capacity?
A)Breaker contact welding occurs✓
B)Arc flash duration is shortened
C)Transformer core saturation resolves
D)Insulation breakdown is prevented
💡 Explanation
Breaker contact welding occurs because inductive kickback generates extreme current, exceeding the breaker's Interrupting Rating; therefore, contacts fuse shut rather than opening safely, and this promotes thermal runaway because the breaker cannot perform its basic function.
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