We are introduced to superposition principles in electrical filed. E=E1+E2+E3....En
Then we deduct the electrical field formula.using vectors
By using Vpython, we can draw the electrical field lines on computer.
This is the code. We scale it many times until we find the proper scalefactor
Then, we solve a problem for two electrical charge generating electrical field on a point
Given a charge density for a long rod, what will be the electrical field it generated?
Using integral, we find the answer regarding to d, L
The goal of this section of the activity guide is to calculate the electric field
corresponding to a continuous charge distribution on a rod at two points in space, P and P', as shown below.
Then, we solve this problem using excel by increment the L each time, we calculate new r and find the E total. since it is parallel to the z axis, the final answer is only on the y axis.
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