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In a Nuclear Reactor, What is the Function Of: (I) the Moderator (Ii) the Control Rods (Iii) the Coolant - Physics (Theory)

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Short Note

In a nuclear reactor, what is the function of:
(i) The moderator
(ii) The control rods
(iii) The coolant

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Solution

(i) The function of the moderator is to slow down the neutrons to thermal energies due to collision between the nuclei and neutrons produced in fission.
(ii) The function of control rods are used to control the rate at which fission takes place, control rods are of cadmium which can absorb neutrons and thus control the fission reaction.
(iii) Coolant is used to remove the heat which is released inside the reactor.

Concept: Mass-energy and Nuclear Binding Energy - Nuclear Binding Energy
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