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← ScienceWhich risk increases with excessive tritium accumulation within a fusion reactor's blanket?
A)Bremsstrahlung radiative energy losses increase
B)Neutron activation of structural components✓
C)Reduced magnetic confinement efficiency initially
D)Increased thermal conductivity in pellets
💡 Explanation
Neutron activation probabilities rise because tritium beta decay generates helium-3, which then captures fusion neutrons; the transmutation increases activation, and causes structural embrittlement in nearby components; therefore B rather than affecting plasma confinement or conductivity.
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