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two point charge +q and +9q are seperated by a distance of 16 cm. at what point between these charges should a third charge Q be placed so that it remains in equilibrium .

two point charge +q and +9q are seperated by a distance of 16 cm. at what point between these charges should a third charge Q be placed so that it remains in equilibrium .

Grade:12

1 Answers

Divya
11 Points
5 years ago
Third charge must be placed 4 cm away from q charge.As the charges are in equilibrium and charges have same nature .so the point lie between these charges at x distance from q charqeMagnitude of F1=magnitude of F2(k×q×qo)÷x^2=(k×9q×qo)%(16-x)^2

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