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Two particles A and B,each having a charge Q,are placed a distance d apart.Where a particle of charge q should be placed on the perpendicular bisector of AB so that it experiences maximum force? What is the magnitude of this maximum force?

N Naveen , 13 Years ago
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Aman Bansal

Last Activity: 13 Years ago

Dear Naveen,

By drawing the diagram and splitting the forces of A and B on C in components, We only get FASINθ andFBSINθ components which contribute to the net force.

Which gives

F(net) = 2FASINθ (Since, FA=FB)

For the force to be maximum SINθ should be 1

Which yields this result.

here r is the perpendicular distance

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