Electric Flux, Gauss's Law & Electric Fields, Through a Cube, Sphere, & Disk, Physics Problems
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- Опубликовано: 4 фев 2025
- This physics video tutorial explains the relationship between electric flux and gauss's law. It shows you how to calculate the electric flux through a surface such as a disk or a square and how to calculate it using a sphere and a cube. Electric flux is the product between the perpendicular component of the electric field relative to the surface and the area of that surface. This video discusses the difference between the angles phi and theta and the terms inward electric flux vs outward electric flux. This video contains plenty of examples and practice problems.
Physics 2 - Basic Introduction:
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I think it is worth mentioning that inward flux is negative because it is technically at a 180 degree angle, and cos(180)=-1.
Very interesting! Good thing to know
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@@KikisStudyCorner think in reference to a unit where max outward is at 0 rad
unit circle
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I'm a little confused about the last example with the cube with L=3m. Wouldn't the electric field be different at both ends? Since E=k*q/r^2, and the second r is 3m greater than the first r, wouldn't that mean that they couldn't possibly have the same E value?
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5:26 Now let's say if we have a horizontal disc.
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8:12 cube charge inside
10:06 electric field pass cube