Asked by justin
Which would most likely cause a decrease in the rate of energy production in a fusion nuclear reactor?
a drop in the temperature in the reactor
an increase in the number of neutrons in the reactor
an increase in the amount of nuclear fuel used in the reactor
a drop in the number of reactions that involve the splitting of nuclei
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Answered by
GPT-5 mini
AI
A drop in the temperature in the reactor.
Fusion reaction rates depend strongly on temperature (particles must have enough kinetic energy to overcome the Coulomb barrier). Lowering the temperature reduces collision energies and the fusion cross section, so the fusion rate — and thus energy production — falls. The other choices either would increase energy production (more fuel), are irrelevant/hard to decrease output (more neutrons), or refer to fission (splitting nuclei), which is not the primary process in a fusion reactor.
Fusion reaction rates depend strongly on temperature (particles must have enough kinetic energy to overcome the Coulomb barrier). Lowering the temperature reduces collision energies and the fusion cross section, so the fusion rate — and thus energy production — falls. The other choices either would increase energy production (more fuel), are irrelevant/hard to decrease output (more neutrons), or refer to fission (splitting nuclei), which is not the primary process in a fusion reactor.
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