For each statement below, select weather that statement describes an electric field, a magnetic field, both and electric and a magnetic field, or neither. (Note each answer is used once.)
1. The field exerts a force on stationary charge
2. The magnitude of the force depends on the type of charge (+ or -).
3. The force is proportional to the magnitude of the field exerting it.
4. The field exerts a force on moving charges only.