The field just outside the surface of a long conducting cylinder ...

[luminitza]

The field just outside the surface of a long conducting cylinder which has a 2.0-cm radius points radially outward and has a magnitude of 200 N/C. What is the charge density on the surface of the cylinder?
 a. 2.7 nC/m2
  b. 1.8 nC/m2
  c. 3.5 nC/m2
  d. 4.4 nC/m2
  e. 0.90 nC/m2

Question 2

If the electric field just outside a thin conducting sheet is equal to 1.5 N/C, determine the surface charge density on the conductor.
 a. 53 pC/m2
  b. 27 pC/m2
  c. 35 pC/m2
  d. 13 pC/m2
  e. 6.6 pC/m2

[blfontai]

Answer to Question 1

B

Answer to Question 2

D