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The energy from nuclear fusion would be measured in Joules, as for all energies. The power of the process would be in Joules/sec or watts. For an individual nuclear reaction, physicists use the electron volt, which is a very small amount, 1 ev = 1.6 x 10-19 Joules. A fusion of deuterium and tritium nuclei will produce about 17 Mev, or 27.2 x 10-13 Joules. This may appear less than for nuclear fission which produces about 200 Mev per nucleus, but as these are much lighter elements (isotopes of hydrogen), the energy produced per kg of fuel is greater for fusion. These amounts look very small, but there are a lot of nuclei per kg!

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16y ago

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