## Question

###### Central particle with charge Q -2 q is surrounded by two circular rings (with radii R and ZR) of charged particles, shown in the figure: What is the magnitude of the net electrostatic force on the central particle due to the other particles?kqz /2R2 12 kqz/2R2 0 2 kqz /2R2 kqz /2R2 0 32 'kq /2R2-2q

central particle with charge Q -2 q is surrounded by two circular rings (with radii R and ZR) of charged particles, shown in the figure: What is the magnitude of the net electrostatic force on the central particle due to the other particles? kqz /2R2 12 kqz/2R2 0 2 kqz /2R2 kqz /2R2 0 32 'kq /2R2 -2q

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