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# Two free charge $+\; 4q$ and $+q$ are placed 'a' distance apart. A third charge 'q' is to be placed between them such that the entire system is in equilibrium. The ratio of $\bigg|\large\frac{q}{q'} \bigg|$ will be

The ratio of $\bigg|\large\frac{q}{q'} \bigg|$ will be $\large\frac{-4}{3}$