Multiple choice

Nuclear reactors used for the production of electricity are based on

  1. nuclear fusion

  2. nuclear fission

  3. cold fusion

  4. superconductivity

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Nuclear power plants use nuclear fission (splitting of uranium atoms) to generate heat, which produces steam to drive turbines. Nuclear fusion (combining atoms) is still experimental for power generation. Fission releases energy that heats water in the reactor core.