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Results tagged with electromagnetism
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user 36651
The classical theory of electric and magnetic fields, both in the static and dynamic case. It also covers general questions about magnets, electric attraction/repulsion, etc. Distinct from electrical-engineering.
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Why is thin oil on water colorful but thick oil is not?
In essence, what you have is a fabry perot etallon. The number of resonant frequencies are D=n*lambda/2 (n integer) with D the thickness of your oil. When D is thick, there are a lot of lambda's that …
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