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Which risk is amplified when hydrogen isotopes leakage occurs within a tokamak reactor's vacuum vessel?

A)Elevated thermal runaway propagation
B)Increased rate of void nucleation
C)Enhanced tritium permeation through steel
D)Diminished magnetic confinement strength

💡 Explanation

Hydrogen isotope leakage elevates tritium permeation due to increased concentration gradients; the permeation mechanism follows Fick's law of diffusion. Therefore, more tritium passes through the vessel walls, rather than A, B, or D, which require different mechanisms or triggers.

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