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how is the energy of a nuclear reactor converted to electricity?

a)the nuclear reactions produce electrical energy directly.
b)heat powers an electrical generator directly.
c)steam converts mechanical energy to electricity.

The energy of a nuclear reactor gets converted to electricity by using steam. As steam converts mechanical energy to electricity.

Option C

Explanation:

Nuclear reaction works on the principle of nuclear fission. The main functioning of nuclear reactor is the generation of neutrons by fission of Uranium oxide.

The rate of generation of neutrons need to be controlled in the reaction to have a controlled chain reaction which is suitable for generating electricity.

So, the controlling of rate of nuclear generation is done by moderators. The moderators are generally water or graphite in any nuclear reactor. So during these process, steam is produced in the reactor core which then flows through a turbine engine.

The steam rotates the turbines in the generator and thus the mechanical energy of the turbine during rotation is converted as the electrical energy in the generator.