The control rods in the control system of nuclear reactors are used to

The control rods in the control system of nuclear reactors are used to Correct Answer Absorb excess neutrons

Control rods are used in nuclear reactors to control the fission rate of uranium and plutonium. They are composed of chemical elements such as boron, silver, indium and cadmium that are capable of absorbing many neutrons without themselves fissioning.

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