Exam-style question
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What is the effect of using too many control rods in a nuclear reactor?.
- A.It increases the fission rate.
- B.It stabilizes the reactor.
- C.It can halt the fission reaction completely.
- D.It enhances neutron production.
Model answer
What a good answer should say
- It can halt the fission reaction completely.
Explanation
Why this works
Using too many control rods can absorb too many neutrons, effectively stopping the fission reaction and leading to a shutdown of the reactor.
Common mistake
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