20.5a Faraday, Lenz and Flux Linkage | A2 Electromagnetic Induction | Cambridge A Level 9702 Physics
Автор: ETphysics
Загружено: 2021-02-01
Просмотров: 29786
A magnetic flux and flux linkage that changes causes an induced emf!
00:00 Intro
00:55 Michael Faraday's Observations
05:25 Magnetic Flux
13:17 Weber - Unit for Magnetic Flux
15:25 Magnetic Flux Linkage
18:35 Faraday's Law
20:11 Lenz Law (Oppose the change in flux!)
Levitating BBQ Demo ( • Levitating Barbecue! Electromagnetic Induc... )
Simulations:
Faraday's Law (https://phet.colorado.edu/en/simulati...)
Electromagnetic Lab (https://phet.colorado.edu/en/simulati...)
3D Rotating Coil in Field (https://www.geogebra.org/m/dgedzmz3#m...)
DC Motor (https://www.geogebra.org/m/PN2YrxBb)
#A2magneticInduction Playlist:
• Ch20 Magnetic Induction (Part 2) | CAIE 97...
Practice past year questions:
*starred Q's are in example videos
ON05 P4 Q6 (pg27) changing B-field sketch*
MJ08 P4 Q6 (pg25) Dynamo*
ON06 P4 Q5 (pg26) Eddy Currents*
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More Resources (https://9702-physics.blogspot.com/)
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