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← ScienceWhich risk develops when inert fuel accumulates unevenly during deuterium-tritium fusion?
A)Neutron flux induced material embrittlement
B)Uncontrolled chain reaction initiation
C)Reduced overall energy gain (Q)✓
D)Increased electron transport interference
💡 Explanation
Reduced energy gain happens because incomplete mixing prevents sustained fusion. Thermonuclear ignition requires uniform fuel density: therefore, any localized build-up of inert material will quench the fusion reactions, rather than lead to uncontrolled initiation under reactor-grade conditions because these are self-limiting reactions with low neutron numbers.
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