Electric Potential and Field Lab
Include the following in your write-up
Part I:
-Picture of the equipotential lines due to a point charge from the program
-Table showing the values of the equipotential at different distances from
the point charge (a column for each)
-Graph of the distance from the charge (x-axis) versus the equipotential
(y-axis) with clear labels
-Description of the relationship between the distance and the equipotential
(does it look like the 1/r^2 relationship of the electric field?) (it shouldn’t)
-Prediction of what the equipotential lines due to a charge of different
magnitude and on of opposite sign would look like.
-Pictures of the equipotentials due to these from the program
-Discuss the pictures and state whether or not they followed your
prediction
Part II:
-Picture (made without the program) showing the value of the potential
due to two point charges along the line joining them. Do this using the
values for the potential on your pictures in Part I, and adding the potential
due to each charge at each point along the line joining them.
-Using places where the potential is equal, draw a couple of predictive
lines for what the equipotential lines should look like.
-Picture of the actual equipotential lines from the program.
-Discussion (two or three sentences) describing how your predicted values
for the potential compare to the actual values, and how your picture
compares to the actual picture.
-Prediction of the values and shape of equipotential lines for two charges
that are the same sign.
-Picture from the program of what the actual potential looks like for two
same-sign charges.