Phy  202       Quiz 13           February 8, 2008

 

1.The solid spheres initially have the charge evenly distributed on its surface. 

Find the magnitude and direction of the electric field at points A, and B,

 

 

 

 

 

2. A metallic cube is given a net charge +Q.

How are the free charges distributed?

 

1. Uniformly throughout the cube's volume.

2. Uniformly distributed along the surface.

3. Along the surface, but concentrated at the  centers of the faces.

4. Along the surface, but concentrated at the  corners.

5. Along the surface, but concentrated at the edges.