Outline Area vector Vector flux More problems Solid angle Proof of Gauss’s Law.

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Presentation transcript:

Outline Area vector Vector flux More problems Solid angle Proof of Gauss’s Law

The flux of

More on area vector …. n

Suppose there was an electric field given by What would be the electric flux through a plane with area A if the plane were oriented in the y-z plane at ? What would be the electric flux if the plane were oriented in the x-z plane at ?

Suppose there was an electric field given by What would be the electric flux through a plane with area A if the plane were oriented in the xz plane at y = y 0 ? What would be the electric flux if the plane were oriented in the yz plane at x = x 0 ? Quiz

Suppose there was an electric field given by What would be the electric flux through a front side of a cube of side L? Quiz

Electric flux through a sphere A positive point charge q=3.0  C is surrounded by a sphere with radius 0.2 m centered on the charge. Find the electric flux through the sphere due to this charge.

Definition of a solid angle S does not depend on radius The largest Then

Chasing the tail: Electric field of a single fixed charge

Have a great day! Please don’t forget your pictures Hw: All Chapter 4 problems and exercises Reading: Chapter 5

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