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# Two unit negative charges are placed on a straight line. A positive charge q is placed exactly at the mid point between these unit charges. If the system of these three charges is in equilibrium, the value of (q in C) is

$\begin {array} {1 1} (a)\;1.0 & \quad (b)\;0.75 \\ (c)\;0.5 & \quad (d)\;0.25 \end {array}$

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## 1 Answer

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(a) 1.0
answered Nov 7, 2013 by

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