In which section of a nuclear reactor does nuclear fission occur?
a.
reactor vessel
b.
heat exchanger
c.
condenser
d.
cooling tower

I believe the correct answer from the choices listed above is option A. It would be in the reactor vessel that a  nuclear fission occur. It should happen in a vessel in order to contain the energy produced from the reaction. Hope this answers the question. Have a nice day.

An electric current is the rate of flow of electric charge past a point or region. An electric current is said to exist when there is a net flow of electric charge through a region. In electric circuits this charge is often carried by electrons moving through a wire

Explanation:

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