#### Question

**(a) **Two large conducting spheres carrying charges *Q*_{1} and *Q*_{2} are brought close to each other. Is the magnitude of electrostatic force between them exactly given by *Q*_{1}* Q*_{2}/4π∈_{0}*r *^{2}, where *r *is the distance between their centres?

#### Solution

**(a) **The force between two conducting spheres is not exactly given by the expression, *Q*_{1}* Q*_{2}/4π∈_{0}*r *^{2}, because there is a non-uniform charge distribution on the spheres.

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Solution Two Large Conducting Spheres Carrying Charges Q1 And Q2 Are Brought Close to Each Other. Concept: Van De Graaff Generator.