Goal: Translate among representations
Source: 283-341 graph Ex(y)
![](/files/Item209_fig1.gif)
We have a charge configuration
(shown at the right). Which graph below resembles the plot of the x
component of the electric field, Ex(y), as you move
along the y-axis?
![](/files/Item209_fig2.gif)
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
component of the electric field, Ex(y), as you move
along the y-axis?
Commentary:
Answer
(6) The correct graph looks like the negative of graph #5. Some students
pick #5 thinking that the magnitude of the field is desired.