history of electromagnetism
Storyboard Text
- What is the history of electromagnetism class?
- The history of electromagnetic theory begins with ancient measures to understand atmospheric electricity, in particular lightning. People then had little understanding of electricity, and were unable to explain the phenomena.
- Scientific understanding into the nature of electricity grew throughout the eighteenth and nineteenth centuries through the work of researchers such as Coulomb, Ampère, Faraday and Maxwell.
- In the 19th century it had become clear that electricity and magnetism were related, and their theories were unified: wherever charges are in motion electric current results, and magnetism is due to electric current.
- Very good class!!
- The source for electric field is electric charge, whereas that for magnetic field is electric current (charges in motion).
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