+10 µC. The other sphere has zero netcharge. a. If the two spheresare brought in

Question

     +10 µC. The other sphere has zero netcharge.

a. If the two spheresare brought into contact with each other and then separated, whatis the resulting charge on each sphere? Is this a transfer ofcharge by CONDUCTION or INDUCTION?

b. Instead oftouching, the first sphere is brought very near the second sphere.While in this condition a wire is connected between the secondsphere and ground. The wire is then removed and the spheres areseparated. What is the resulting charge on each sphere? Is this a transfer of charge by CONDUCTION or INDUCTION?

For me to better understand please explain themath that you do. If formulas and/or set values are being used, Ilearn better if I understand why to use this formula or this setvalue. I greatly appreciate your help.

Explanation / Answer

Given q = 10 C          q ' = 0 (a). Resulting charge on each sphere Q = ( q+ q ' ) /2                                                             = 5 C Here the transfer of charge by CONDUCTION (b). the resulting charge on first sphere Q ' = 10C The resulting charge on second sphere Q " = -10C Here the transfer of charge by INDUCTION

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