| Date | May 2012 | Marks available | 1 | Reference code | 12M.1.SL.TZ1.20 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 20 | Adapted from | N/A |
Question
The electric field strength between two oppositely charged parallel plates
A. has the same value everywhere between the two plates.
B. decreases from the positive plate to the negative plate.
C. is larger at the edges than in the center.
D. is smaller at the edges than in the center.
Markscheme
D
Examiners report
The majority of candidates chose option A that states that the electric field is the same
everywhere in between the plates. The examining team felt that this deserved credit and so
this option along with option D (field being weaker at the edges) were both accepted.
