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← ScienceWhich consequence results when exceeding the Lawson criterion in fusion?
A)Plasma loses energy rapidly
B)Fusion reactions self-sustain✓
C)Excessive neutron production occurs
D)Fuel becomes increasingly ionized
💡 Explanation
When the Lawson criterion is met, the rate of fusion energy production exceeds energy losses, because the produced alpha particles deposit their energy and heat the plasma via alpha heating. Therefore, a self-sustaining fusion reaction occurs, rather than requiring continuous external energy input and suffering eventual heat death.
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