Exam-style question
Try this first
In an electric potential graph, what does a horizontal line indicate?.
- A.Constant electric field strength
- B.Increasing electric field strength
- C.Decreasing electric field strength
- D.No electric field present
Model answer
What a good answer should say
- Constant electric field strength
Explanation
Why this works
A horizontal line in an electric potential graph indicates that the electric potential is constant over that region, which means that the electric field strength is zero. This shows that there is no force acting on a charge in that area, implying that the electric field is uniform.
Thus, the correct answer is that it indicates constant electric field strength.
Common mistake
No common mistake is linked to this question yet.