The drawing shows two situations in which charges are placed on the x and y axes

Question

The drawing shows two situations in which charges are placed on the x and y axes. They are all located at the same distance from the origin O. Without doing any calculations, does the net electric field at the origin in part (a) have a magnitude that is greater than, less than, or equal to the magnitude of the net electric field at the origin in part (b)? The magnitude of the electric field in part (a) is greater than that in part (b). The magnitude of the electric field in part (a) is less than that in part (b). The magnitude of the electric field in part (a) is equal to that in part (b).

Explanation / Answer

so on b) on the horizontal axis there are a 4 on the left and -1 on the right so a total of 5 (since 4 pushes right and -1 pulls right) the same is on the horizontal for a) similarly for the vertical so the answer is equal

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