Answers to GCSE Electric Field

Practice Questions

1.Draw the position of the electric field lines on the Van De Graaf generator below.

As a simplification, the lines of force arrows have been drawn straight, but in actual fact they would actually have a slight curvature

2. Using the diagram above, state where the electric field would be strongest. 

Near to the surface of the sphere, where the field lines are closest together.

3. The charge on the metal dome is currently positive. Describe how the field lines would change if the metal dome had the opposite charge.

Lines of force would reverse direction