Final answer:
The two main factors controlling the force from electrical field interaction are the magnitudes of the charges involved and the distance between the charged objects.
Step-by-step explanation:
The two things that control the amount of force from electrical field interaction between two charged objects are B) The magnitude of the charges and the distance between the charges. This is because the electric force is linearly proportional to the net charge on each object and inversely proportional to the square of the distance between them. Moreover, the direction of the force is along the line connecting the two objects and depends on the signs of the charges.
Although other factors such as the medium between the objects or temperature and humidity do influence various aspects of electric interaction, the primary variables that determine the magnitude of electric force between point charges are the amounts of charge and separation distance. Experiments confirm these influences in the form of Coulomb's Law, which applies to point charges and extends to spherically symmetric charge distributions.