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Physics Girl
Why outlets spark when unplugging - EMF & Inductors
When we cut the electricity to an inductor, we get a sudden intense spark across the switch. This is known as inductive kickback or a back EMF and is produced because of Faraday’s Law of Induction. Not mean to be tried at home! The...
FuseSchool
Electrolysis of Water & Hydrochloric Acid
The discovery that passing an electric current through water would split it apart was made quite soon after the discovery of current electricity itself. This predates Michael Faraday’s work in this area, but it is he who introduced most...
Flipping Physics
Electromagnetic Induction - Review for AP Physics C: Electricity and Magnetism
AP Physics C: Electricity and Magnetism review of electric flux to understand magnetic flux, an example of magnetic flux through a current carrying wire loop, Gauss’s Law for Magnetism, electromagnetic induction, Faraday’s law, Lenz’s...