Challenge 4. Explore electric field
Investigate the motion of an electron in an electric field. Compare to the
motion in a magnetic field. Try combinations of electric and magnetic fields.
Positive E-fields are to the right and positive B-fields are out of the screen.
After making a change in any Input, click Reset.
The grid spacing is 0.01 m along both axes.
Form of powers of ten entry: 5E-3 = 0.005