Hand rules for magnetic fields 1 [IB Physics SL/HL]

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We're so excited to be able to share our exams with you!

Cheers, Mitch
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Honestly, you are so underrated. Making physics so fun :D

ekanshchawla
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god bless you, got my exam tomorrow and you're making it make sense

loomlou
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Bro you don’t even know how much I love you

r.w.v
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you should be an artist, Mitchelagelo

zarabiezeman
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okay so here in this example, you give us the direction of the current, but normally the current goes the other way around right? I mean, I learned that the current goes from the + to the - of the source and electrons travel in the opposite direction.

amar-san
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Just wondering... In the last example of this video.
Since the direction of the thumb is the direction of the magnetic field, which is the direction where a compass will point towards to. So if the thumb points to the left, doesn't that mean that direction is south? because a compass always points towards south? Therefore the north should be to the right?

Jinxhe
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I think the last example for the solenoid is wrong. The (conventional) current should be flowing out of the right side of the battery (counter-clockwise), which it is not. So the current should be flowing right, and when you apply right hand rule, you then get north on the right I think. Am I doing it wrong??

ThatOneRandomBot