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Top: Kids_and_Teens: School_Time: Science: Physics: Electricity_and_Magnetism
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the nature of Electric and Magnetic fields, their sources, associated phenomena, and applications. Only websites intended, targeted, or appropriate for people under the age of 18 will be listed here. Kids and Teens lists sites for kids, not about kids. Kids and Teens/International depending on the language. The ODP does not list redirection or vanity URLs. Please submit the URL of your server. |
This category is about the the electric and the magnetic fields. A non-zero electric field is produced by the presence of electrically charged particles, and gives rise to the electric force; this is the force that causes static electricity and drives the flow of electric charge (electric current) in electrical conductors. The magnetic field, on the other hand, can be produced by the motion of electric charges, or electric current, and gives rise to the magnetic force associated with magnets. The term "electromagnetism" comes from the fact that the electric and magnetic fields generally cannot be described independently of one another. A changing magnetic field produces an electric field (this is the phenomenon of electromagnetic induction, which underlies the operation of electrical generators, induction motors, and transformers). Similarly, a changing electric field generates a magnetic field.
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