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7) The drawing below shows two rings with the same radii, R. Ring 1 has a charge q, and ring 2 has a charge

7) The drawing below shows two rings with the same radii, R. Ring 1 has a charge q, and ring 2 has a charge q2. If the electric field of a ring along the axis through its center is 1 given by: E(x) = x-q what is the ratio of the charges q/q2, if the electric field (R+x) at point P is zero? Hint: you should set the origin of your coordinates at point P. 91 R Ring 1 Ring 2 92 -R- 3R

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