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Consider two solid dielectric spheres of radius a a separated by a distance R( R≫a). One of the spheres has a charge q and the other is neutral. We scale up the linear dimensions of the system by a factor of two. How much charge should reside on the first sphere now so that the force between the spheres remains the same?

Consider two solid dielectric spheres of radius a a separated by a distance R( R≫a). One of the spheres has a charge q  and the other is neutral. We scale up the linear dimensions of the system by a factor of two. How much charge should reside on the first sphere now so that the force between the spheres remains the same?
 

Grade:11

1 Answers

Rituraj Tiwari
askIITians Faculty 1792 Points
one year ago
dear student,
q'=42–√q should reside to balance the force.
thank you.

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