A2L Item 209

Goal: Translate among representations

Source: 283-341 graph Ex(y)

We have a charge configuration
(shown at the right). Which graph below resembles the plot of the x
of the electric field, Ex(y), as you move
along the y-axis?



(6) The correct graph looks like the negative of graph #5. Some students
pick #5 thinking that the magnitude of the field is desired.