1. The symbol Φ E represents the ____ of an electric field. RankResponses 1 2 3 4 5 6

2. For a fixed electric field E, the flux Φ E increases with cross sectional area. A.True B.False

3. The signs of point charges q 1 and q 2 are: A.q 1 +, q 2 + B.q 1 +, q 2 – C.q 1 –, q 2 + D.q 1 –, q 2 –

4. The magnitude of charge q 1 is how many times that of q 2 ? RankResponses 1 2 3 4 5 6

5. The amount of flux through an area depends on the orientation of the area with respect to the electric field. A.True B.False

6. What conditions on an area A will maximize flux given a fixed electric field E. A.A and E must be parallel B.A and E must be perpendicular C.It is more complicated….

7. Given a single point charge and corresponding electric field, which geometric object will maximize flux when enclosing the charge: A.Box B.Rectangular box C.Sphere D.Some other strange object

8. Enclosing a point charge in a sphere of radius R yields a flux Φ R. Taking the same point charge and enclosing it in a sphere of radius 2R yields a flux of Φ 2R. A.Φ r < Φ 2r B.Φ r > Φ 2r C.Φ r = Φ 2r

9. A closed surface encloses a net charge of 2.50 μC. The net electric flux through the surface is: ______ x 10 5 N m 2 /C RankResponses 1 2 3 4 5 6