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← ScienceWithin a tokamak reactor, which risk strongly increases when impurity ions enter the plasma core during deuterium-tritium fusion?
A)Plasma thermal quench occurrence rate
B)Increased poloidal magnetic field strength
C)Decreased neutron flux production rate
D)Reduced overall plasma confinement time✓
💡 Explanation
Impurity ions in a tokamak enhance energy loss via Bremsstrahlung radiation, because the increased charge causes stronger electromagnetic emission; therefore plasma confinement time diminishes, rather than a quench which requires instability or adjustments to the magnetic field strength or significantly shifting neutron rates.
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