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Physics 21 Online
OpenStudy (anonymous):

Two point charges +q and -q are placed at a distance x apart . A third charge is to be placed so that all the charges are in equilibrium. 1) unknown charge is -4q/9 2)unknown charge is -9q/4 3)it should be at x/3 from smaller charge 4)None of the above

OpenStudy (souvik):

did you draw the picture?

OpenStudy (anonymous):

yeah .. but unable to solve it

OpenStudy (souvik):

can u draw it here...?

OpenStudy (anonymous):

|dw:1373479482267:dw|

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