Consider three identical metal spheres, A, B, and C. Sphere A carries a charge o

Question

Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +59. Sphere B camies a charge of Sphere C carries no net charge. Spheres A and B are touched together and the separated. Sphere C is then touched to sphore A and separated from it. Last, sphere C is touched to sphere B and separated from it. (a) and (c) afiler they have touched? 20. How much charge ends on sphere B after A and B touch and ace 21. How much charge ends up on sphere c 22. What is the total charge on the three spheres (b) befoe they are allowed to touch each other

Explanation / Answer

AS the spheres are identical that means that the total charge will be distrubuted evenly when two spheres are in contact.

So,

Charge on A and B when they are touched=(+5-1)/2

=2q on each

When C and A are touched then,

2/2

=1q on each

Now C is touched with B, so

Charge on both of htem will be,

(2q+q)/2

=1.5q

20.

Charge on B will be 2q

21.

1.5q

22. total charge = +5-1

+4q

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