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Electro-magnetics is one of the four fundamental interactions of nature, along with strong interaction, weak interaction and gravitation. It is the force that causes the interaction between electrically charged particles; the areas in which this happens are called electromagnetic fields.
Learn more about quantum dots from the many resources on this site, listed below. More information on Electromagnetism can be found here.
dihan Md. Nuruddin hasan
Jose Carlos Perez