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Electromagnetism
Electricity and Magnetism
Question | Answer |
---|---|
electromagnetism | magnetism produced by an electric current |
electromagnetic wave | radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge |
negative charge | the state of having an excess of electrons |
positive charge | the state of having too few electrons |
electric charge | the amount of unbalanced electricity in a body (either positive or negative) |
photon | a tiny bundle of matter that transmits light |
electron | a particle with negative charge |
electric current | a flow of electricity through a conductor |
magnetic field | the lines of force surrounding a permanent magnet or a moving charged particle |
proton | a particle with positive charge |
magnetism | a force that works based on the attraction of an object to steel or iron. |