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3electricfieldduetoalinecharge

# 3electricfieldduetoalinecharge - Electric Field Due to a...

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Electric Field Due to a Line Charge Purpose: To gain additional experience in calculating electric fields, both analytically and by using an electronic spreadsheet to find the electric field near a one dimensional charged rod. Equipment: Computer with Excel software. Introduction: Consider the uniformly charged rod shown below. We can find the electric field at the point P by breaking the rod up in a collection of infinitesimal charges and summing the electric fields from each small dq. Procedure : 1. Assuming the rod has a total charge Q, find the resultant field at the point P analytically (set up the integral and do the math!). Verify with your instructor that your solution is correct. 2. Solve the problem by using an electronic spreadsheet. Since the spreadsheet works with numbers, choose L = 2 m, Q = 4 µ C, and x = 3 m. Create some separate cells that contain this information so that is easy to change these numbers if the need arises.

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