WAEC Physics 2023 Objective — Question 41
Question 41 of 50 from the West African Examinations Council (WAEC) Physics 2023 Objective paper, with the correct answer and a full explanation.
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Which of the following statements about the properties of the electric field produced by charged parallel plates is not correct?
- A. The electric field in the region outside the parallel plates is zero, except for the edge effects
- B. The electric field is uniform everywhere in the space between the parallel plates
- C. The magnitude of the electric field strength at any point between the plates, except near the edges, depends on the magnitude of the charge on each plateCorrect
- D. The magnitude of the electric field strength at any point between the plates is directly proportional to the magnitude of the charge on each plate
Explanation
The electric field has the same strength (uniform) at each point in the electric field, regardless of position near or away from the edges — the field strength does NOT depend on position, making statement C the incorrect one.
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