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← ScienceWhich outcome occurs during a controlled fusion reactor quench?
A)Plasma cools, fusion ceases rapidly✓
B)Tritium breeding rate increases sharply
C)Helium ash accumulates exponentially
D)Neutron flux reaches design maximum
💡 Explanation
Plasma cooling leads to rapid cessation of fusion because confinement decays via thermal runaway. This is a thermal quench; confining field strength drops rapidly, therefore fusion stops because of the uncontrolled temperature drop, rather than helium accumulation or stable neutron flux.
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