Question

Example 14. Two electric charges q and 2q are at a distance 'a' apart from each other in air. A third
charge Q is to be placed along the same line in such a way that the net force acting at q and also at 2q is
zero. Calculate the position of charge Q in terms of q and a.​

Answer 1

Answer:

Two point electric charges of values q and 2q are kept at a distance d apart from each other in air. A third charge Q is to be kept along the same line in such a way that the net force acting on q and 2q is zero. ... For the net force on q and 2q to be 0 the system of charges should be in equilibrium.

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