Magnetic Fields - Review for AP Physics C: Electricity and Magnetism

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Flipping Physics

Flipping Physics

Күн бұрын

AP Physics C: Electricity and Magnetism review of magnetic fields including: the basics of magnetic dipoles, ferromagnetic and paramagnetic materials, the Earth’s B field, magnetic permeability, the magnetic force on a moving charge, the right-hand rule for direction, 7 examples of right-hand rule direction, deriving the equation for the magnetic force on a current carrying wire, and analyzing the mass spectrometer. Want Lecture Notes? www.flippingphysics.com/apcem-...
Content Times:
0:00 Magnetic Field Basics
3:35 Magnetic Materials
7:07 Magnetic Force on a Charge
9:30 Right-Hand Rule
21:03 Magnetic Force on Current
23:54 Mass Spectrometer
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Thank you to Carl Hansen, Julie Langenbruner, John Paul Nichols, and El Jison for being my Quality Control Team for this video. flippingphysics.com/quality-co...
#APPhysicsC #MagneticFields #RightHandRule

Пікірлер: 25
@millhauser7099
@millhauser7099 2 жыл бұрын
you are really coming in clutch before the exam. ty ty
@ethanmoilanen9811
@ethanmoilanen9811 2 жыл бұрын
I said it on your last video but you truly are a content wizard, we all thank you so much
@user-wt9qj4fd7i
@user-wt9qj4fd7i 2 жыл бұрын
Great last minute review !!
@QWERT-xp3qt
@QWERT-xp3qt 2 жыл бұрын
nice video, thanks!
@Paitriot21
@Paitriot21 Жыл бұрын
Amazing and helpful video as always, thank you!
@FlippingPhysics
@FlippingPhysics Жыл бұрын
Glad it was helpful!
@janwarncke4550
@janwarncke4550 2 жыл бұрын
Thanks for making these videos, do you have any tips/suggestions on memorizing all the formulas not provided on the equation sheet for the exam
@carultch
@carultch 2 жыл бұрын
I would suggest writing your own summary sheet, even if you don't get to take it to the exam. Write down the equations you would want to have as a reference, with their assumptions and limitations, and anything else needed for context. Write your equations 3 ways: symbols, concepts, and units. I'll use Ohm's law as an example, where the 3 ways you'd write it are as follows: "V=I*R" for symbols, "Voltage drop across it = Current through it * Resistance of it" for concepts, and "Volts (V) = Amps (A) * Ohms (Ω)" for units. Include sketches where you see fit, and group simlar topics together. I can recommend Hyperphysics from GSU as a reference for a cluster map of the concepts, to give you an idea of what concepts to group together, and what is a subtopic of other topics. When you complete your summary sheet, you should feel like you want to put it in a picture frame to hang on the wall, as it will feel like a work of art. By all means do so when your exam is complete. Even though you may not be able to take your summary sheet to the exam, the process of making it will help you memorize and understand. Then select the equations from your summary sheet that aren't on the provided formula sheet, and memorize those. Sometimes, equations you may have been taught are derived from equations on the AP formula sheet, so if you know how to start the derivation, you don't need to really memorize anything. Or there are parallels to another group of equations on the AP formula sheet, like with angular kinematics and their relationship to linear kinematics.
@julielangenbrunner9212
@julielangenbrunner9212 2 жыл бұрын
So far so good! (7 minutes left to view, will update)
@julielangenbrunner9212
@julielangenbrunner9212 2 жыл бұрын
Two thumbs way up!
@FlippingPhysics
@FlippingPhysics 2 жыл бұрын
Thank you! Thank You! Thank You! 32 minutes was a big ask. So, again. THANK YOU!!
@julielangenbrunner9212
@julielangenbrunner9212 2 жыл бұрын
@@FlippingPhysics Well, I missed the RC circuit video so I needed to punish myself. (Haha, just kidding! Missing the RC circuit one WAS the punishment!)
@brianmason280
@brianmason280 Жыл бұрын
Wow, this is insanely helpful
@FlippingPhysics
@FlippingPhysics Жыл бұрын
Glad you think so!
@EpDt
@EpDt 2 жыл бұрын
Thanks so much. Btw will there be a review about LR circuit?
@FlippingPhysics
@FlippingPhysics 2 жыл бұрын
I will not get to LR circuits before Tuesday.
@Wilson2746
@Wilson2746 3 ай бұрын
24:00
@brilliantaksan
@brilliantaksan 2 ай бұрын
u are my goat
@FlippingPhysics
@FlippingPhysics 2 ай бұрын
😬
@newaccount5350
@newaccount5350 2 ай бұрын
everybody brought mass !!!!
@eljison
@eljison 2 жыл бұрын
Very good, as always. The new sound effect is a little distracting, though. I would restate the phrase "magnetic field" @10:40 with "magnetic field vector at that point (or location)". Same for the velocity. That would read... "the direction of the magnetic force is always normal to the plane created by the velocity vector of the electric charge and the magnetic field vector at that location." Also, @11:35 you find the force pointing out of the screen and then discuss the representation of a uniform field pointing in and out of the screen, which some students might find confusing because you are still showing the slide with the magnetic field pointing up in the plane of the screen. The force vector that points out is not a field. The representations are correct, but you might want to clarify that. It is a good segue to the next example, though. Another tip for using the general right-hand rule for vector products is that you do not need to curl your fingers at all. You can just point the palm of your hand in the direction of the second vector and hold your hand like a karate chop, but with your thumb sticking out. 🙃
@FlippingPhysics
@FlippingPhysics 2 жыл бұрын
I am not sure what "new sound effect" you are referring to. If it is the sound effect which occurs when there are large transitions which occur on the screen, I have been using that for more than a year already. I'm sorry if you find it a bit distracting, however, if you haven't noticed it until now, I don't think it is that big of a deal. at 10:40, I see what you are saying, however, I think I clarify that quite well at 20:20 when I review that particular point with the yellow (orange?) piece of paper. At 11:35, I think I see your point, however, I separate the uniform fields from the right-hand rule example using mr.p's video frame. In addition to that, I refer to both of those as general uniform fields and do not identify them as being related to the magnetic force in the right-hand rule example. With regards to the right-hand rule time without curling your fingers, I find students are better able to understand it when they curl their fingers. But clearly, you can also do it the way you suggest as well. Thanks again for all your help and suggestions. This time I am not going to be making any changes based on what you have said here.
@eljison
@eljison 2 жыл бұрын
@@FlippingPhysics Yes, the transition sound. It is the first time that I noticed it. The other suggestions were not major issues and I did see that you clarified them later. Nice job using the piece of paper. We sometimes forget the mileage we can get out of basic props like a sheet of paper. I have about 4 old coat hangers bent into different shapes that I use in my classroom all the time!
@eunieverseee
@eunieverseee 7 ай бұрын
taylor swift reference "uh oh..."
@FlippingPhysics
@FlippingPhysics 7 ай бұрын
I forgot about that. Glad you noticed!!
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