Question

what is nuclear reactor

Answer 1

basically,this term is related with physics  whch is also use to as for genrating electricity or we can say that A nuclear reactor is a system that contains and controls sustained nuclear chain reactions. Reactorsare used for generating electricity

Answer 2

A nuclear reactor, formerly known as an atomic pile, is a device used to initiate and control a sustained nuclear chain reaction. Nuclear reactors are used at nuclear power plants for electricity generation and in propulsion of ships.