Slide 1

Electric Field Lines

10/29/08

Slide 2 Fig 25-21, p.778

Field lines at a conductor.

Slide 3 Fig 24-19, p.751

Slide 4 Fig 25-23, p.779

Slide 5

Using Gauss’s Law

10/29/08

Slide 7 Fig 24-5, p.743

Slide 8 Fig P24-6, p.755

What is the flux through the sphere?

Slide 9 Fig P24-17, p.756

What is the flux through the cube?

Slide 10 Fig P24-15, p.756

Show the flux through this objectis zero. The charge is just abovethe center of the circle.

Slide 11 Fig 24-6, p.743

Slide 12 Fig 24-14a, p.749

Slide 13 Fig 24-15, p.749

Slide 14 Fig 24-11a, p.747

Find the field everywhereof a uniformly charged insulating sphere of radius a and totalcharge Q.

Slide 15 Fig 24-11b, p.747

Slide 16 Fig 24-12, p.747

Slide 17 Fig 24-13a, p.748

The electric field inside a uniformly charged spherical shell is zero.

Slide 18 Fig 24-13b, p.748

Slide 19 Fig 24-13c, p.748

Slide 20 Fig 24-21, p.752

Plot E vs r for the two-conductor system. The solid conducting sphere of radius a carries positive charge 2Q. The surrounding spherical shell has inner radius b and outer radius c is concentric with the solid and carries charge-Q.

Slide 21 Fig 24-20, p.752

Slide 22 Fig 24-21, p.752

Slide 23 Fig P24-64, p.760

Find the electric field inside the cavity of a sphere of radius 2a with uniform charged density . The spherical cavity has radius a.

Slide 24 Fig P24-64, p.760

Use superposition.

r

r1