Which of the following features of an electrostatic line of force is not correct?

Assessment: WAEC SSCE - Physics - 2003 (Objective) Subject: Physics

Question 1 Report

Which of the following features of an electrostatic line of force is not correct?
Answer Details
The following feature of an electrostatic line of force is not correct: "it can cross another line of force in a region of intense electric field". Electrostatic lines of force are used to represent the direction and strength of an electric field. They are drawn such that at any point on a line of force, the tangent to the line gives the direction of the electric field at that point. Importantly, two lines of force cannot cross each other. This is because the direction of the electric field at any point must be uniquely defined, and if two lines crossed, there would be two different directions at the point of intersection. Therefore, the statement "it can cross another line of force in a region of intense electric field" is not correct.
Read lesson note on Electrostatics (JAMB)
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