Etectric Fleid, Sums and integraiS 1. The diagram at right shows a two-dimension

Question

Etectric Fleid, Sums and integraiS 1. The diagram at right shows a two-dimensional top view of the electric field lines representing the electric field for a positively charged rod. A. Compare the magnitude of the electric field at points A and B. At right is a two-dimensional representation of the same electric field as viewed from the side. P. B. Compare the magnitude of the electric field at points P and Q Explain your reasoning. Three identical point charges with total charge +30nC are arranged in a line as shown. The charges are separated by a centimeter on each side, so that the middle charge is 0.20 m from point P, but the left charge is 0.01 m farther and the right charge is 0.01 m closer. Write a sum that would enable you to calculate the electric field at P. 2. E,

Explanation / Answer

Electric field is inversely proportional to the square of distance.

As the distance of point P is small as compared to point Q , so electric field at P is more than the electric field at Q.

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