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| 184_notes:rhr [2021/03/18 16:24] – [Method 1 - Curling fingers] bartonmo | 184_notes:rhr [2022/11/06 16:08] (current) – valen176 | ||
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| Then, again, your thumb will point in the direction of $\vec{C}$, which in this case is out of the whiteboard. | Then, again, your thumb will point in the direction of $\vec{C}$, which in this case is out of the whiteboard. | ||
| + | ====Method 3 - Shortcut for Magnetism==== | ||
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| + | In this method, you start by pointing your thumb in the direction of the velocity of a point charge, then you curl your fingers. $\vec{B}$ will point in directions tangent to the circle your fingers make as they curl. This works for a positive charge, if the charge is negative, flip your hand and point your thumb in the direction of $-\vec{v}$ instead. | ||
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| + | [{{ 184_notes: | ||
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| + | ==== Video Overview of the 3 Methods ==== | ||
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| + | {{youtube> | ||