Physics 236 Worksheet: Chapter 24 Gauss's Law

1.     The electric flux through a closed surface is proportional to

a.     The net charge outside the surface.

b.      The net charge on the surface.

c.      The net charge inside the surface.

2.     The MKS unit of electric flux is

a.     Nm² /C²

b.      Nm/C

c.      Nm² /C

d.     Nm/C²

3.     The electric field inside a charged spherical conductor at distance r from the center is

a.     proportional to 1/r²

b.      proportional to 1/r

c.      proportional to r

d.     proportional to r²

e.     uniform

f.       zero.

4.     The electric field inside a uniformly charged spherical insulator at distance r from the center 

a.     is proportional to 1/r²

b.      is proportional to 1/r

c.      is proportional to r

d.     is proportional to r²

e.     is uniform

f.       is zero.

5.     The electric field outside a uniformly charged spherical insulator at distance r from the center

a.     is proportional to 1/r²

b.      is proportional to 1/r

c.      is proportional to r

d.     is proportional to r²

e.     is uniform

f.       is zero.

6.     The electric field at a distance r from a plane charged sheet of infinite area is

a.     proportional to 1/r²

b.      proportional to 1/r

c.      proportional to r

d.     proportional to r²

e.     uniform

f.       zero.

7.     The electric field at a distance r from an infinitely long charged straight wire is

a.     proportional to 1/r²

b.      proportional to 1/r

c.      proportional to r

d.     proportional to r²

e.     uniform

f.       zero.

 

Ans: 1-c, 2-c, 3-f, 4-c, 5-a, 6-e, 7-b