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Which risk increases when a tokamak's magnetic confinement weakens?

A)Increased neutron flux on chamber walls
B)Superconducting magnet wire stress decrease
C)Plasma current disruption stabilizes faster
D)Helium ash accumulation is readily mitigated

💡 Explanation

Increased neutron flux occurs due to unconfined deuterium-tritium ions colliding with the walls; escaping particles undergo nuclear reactions. Plasma confinement failure causes increased neutron bombardment because the fusion process occurs less efficiently, therefore more isotopes reach the wall, rather than being safely contained longer.

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