two uncharged conducting spheres, a and b, are suspended from insulating threads so that they touch each other. while a negatively charged rod is held near, but not touching sphere a, someone moves ball b away from a. how will the spheres be charged, if at all?

Question

20-12-2022
Physics

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two uncharged conducting spheres, a and b, are suspended from insulating threads so that they touch each other. while a negatively charged rod is held near, but not touching sphere a, someone moves ball b away from a. how will the spheres be charged, if at all?

Answer :

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Paruljain Paruljain · Answer 1 · 2022-12-23T15:33:03-05:00

Two uncharged conducting spheres, a and b, are suspended from insulating threads so that they touch each other. The negatively charged rod will induce a negative charge on the surface of sphere A, will the spheres be charged.

If a negatively charged rod is held near but not touching sphere A, the negatively charged rod will induce a negative charge on the surface of sphere A. This is because the negatively charged rod will attract the positive charges on the surface of sphere A, causing them to move towards the rod and leaving a net negative charge on the surface of sphere A. If sphere B is then moved away from sphere A, the negative charge on the surface of sphere A will be redistributed over the surface of both spheres. This will result in both conducting spheres becoming negatively charged. It's important to note that the actual distribution of charges on the surface of the spheres will depend on the material and shape of the spheres, as well as the distance between the spheres and the strength of the electric field generated by the negatively charged rod.

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