CBSE Class 12-science Answered
two charges +Q each are placed 'd' distance apart where should be the third charge q be placed so that all the charges are in equilibrium? what is the sign and magnitude of q
Asked by | 14 Jun, 2013, 02:02: AM
Expert Answer
If 2 charges of size Q are placed at a d distance form one another and we need to place q, third charge such that all the charges are in equilibrium, then it is impossible.
If we want the charge q to be in equilibrium, it needs to be placed on the axis joining the 2 Q charges. And furthermore, to be in equilibrium, q needs to be placed at a distance = d/2 from one of the charge. But is it is placed at d/2 from one of the charges, then neither of the 2 Q charges will be in equilibrium.
Answered by | 14 Jun, 2013, 08:44: AM
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