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# Two charges, $3 \times 10^{−8}\; C$ and $−2 \times 10^{−8} C$, are located $15\; cm$ apart as shown in the figure. At which point(s) should a particle of charge 1 × 10−8 C be placed so that it does not experience a force?

Can you answer this question?

(D) 45 cm from A
hence D is the correct answer.
answered Jun 10, 2014 by