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Two identical spheres a and b are suited some distance apart.each has a charge of +q.They repel each other with a force of 11/10^5 n.A third identical conducting sphere c is first touched with a and then with b and placed exactly midway between a and b.find force on c

Two identical spheres a and b are suited some distance apart.each has a charge of +q.They repel each other with a force of 11/10^5 n.A third identical conducting sphere c is first touched with a and then with b and placed exactly midway between a and b.find force on c

Grade:12

1 Answers

Physics Expert
askIITians Faculty 71 Points
4 years ago
Calculate the electrostatic force between the charges.



When the uncharged sphere is touched with the sphere A then the charge on the sphere A and the new sphere will be equal to q/2 and again when touched with the sphere B then the total charge on the sphere C is 1.5q.hence, the total charge on the sphere A and C is 0.75q as shown in the figure.

Calculate the force on the sphere C due to the sphere A.


Calculate the force on the sphere C due to the sphere B.

Calculate the net force on the sphere C.




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