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← ScienceWhich consequence occurs during nuclear fusion when insufficient binding energy offsets electrostatic repulsion?
A)Fusion cross-section remains very low✓
B)Runaway chain reaction becomes likely
C)Excessive neutron multiplication is possible
D)Plasma beta value approaches zero
💡 Explanation
The fusion cross-section remains low because insufficient binding energy results in a potential barrier too high for quantum tunneling, hence repelling nuclei. Therefore, fusion is inhibited rather than initiating a self-sustaining reaction, because high temperatures overcome the deficit.
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