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← ScienceWhich outcome will soon limit sustained Deuterium-Tritium (D-T) fusion within present-generation Tokamak reactors?
A)Neutron activation of the reactor walls✓
B)Inadequate magnetic confinement pressures
C)Insufficient plasma-heating capabilities
D)Instability of the fueling process
💡 Explanation
Neutron activation limits Tokamak duration because the D-T fusion produces high-energy neutrons. Neutron bombardment transmutes and weakens structural material via neutron activation, therefore causing embrittlement, radioactivity in containment, rather than pressure or heating limitations, because those can be improved.
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