Which outcome limits fusion power reactors' heat exhaust?

💡 Explanation

Material sputtering is a key limit because high-energy particles erode plasma-facing components via momentum transfer. This erosion rate exponentially increases with ion energy. These particles therefore contaminate the plasma, cooling it rather than contributing to fusion.

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• Which phenomenon causes spreading of electron wave functions beyond well-defined quantum dot boundaries at room temperature?
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• Which consequence results when a laser passes through diffraction grating?