Exercise 5

Two conducting spheres in contact

Theory used: Contact between two identical conducting spheres Conservation of charge Quantization of charge

Two identical conducting spheres $A$ and $B$ have charges $q_{A} = + 7.0 nC$ and $q_{B} = - 3.0 nC$ . The spheres are brought into contact and then separated. Compute the final charge of each sphere and the number of electrons that pass from one sphere to the other, indicating the direction.

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