Select the choice that follows the describes the relation between electric force
ID: 1586872 • Letter: S
Question
Select the choice that follows the describes the relation between electric force on a charged particle and the direction of the electric field lines. Select One of the Following: (a) There is no relation between the direction of the electric force and the direction of a field line. (b) The electric force always pointts in the same direction as the field line. (c) The electric force pointts the same direction or in the opposite direction as the field line. (c) The electric force is always perpendicular to the field line.Explanation / Answer
The electric field lines point in the direction that a positive test charge would accelerate if placed upon the line. As such the lines are directed away from positively charged source charges and toward negatively charged source charges. Thus electric force due to a positive or a negative charge on a positive charge points in the direction of the electric field line and the electric force on a negative charge points in the opposite direction to that of electric field lines.
Thus, the answer is option-d.
The electric force points either the same or in the oposite direction as the field line.
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