electromagnetic force

World English Dictionary
electromagnetic interaction or electromagnetic force
 
n
physics interaction See electroweak interaction an interaction between charged particles arising from their electric and magnetic fields; its strength is about 100 times weaker than the strong interaction
 
electromagnetic force or electromagnetic force
 
n

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American Heritage
Science Dictionary
electromagnetic force   (ĭ-lěk'trō-māg-nět'ĭk)  Pronunciation Key 
The fundamental force associated with electric and magnetic fields. The electromagnetic force is carried by the photon and is responsible for atomic structure, chemical reactions, the attractive and repulsive forces associated with electrical charge and magnetism, and all other electromagnetic phenomena. Like gravity, the electromagnetic force has an infinite range and obeys the inverse-square law. The electromagnetic force is weaker than the strong nuclear force but stronger than the weak force and gravity. Some scientists believe that the electromagnetic force and the weak nuclear force are both aspects of a single force called the electroweak force.
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