A solid, conducting sphere of radius a carries an excess charge of +6 mu C. This

Question

A solid, conducting sphere of radius a carries an excess charge of +6 mu C. This sphere is located at the center of a hollow, conducting sphere with on inner radius of b and an outer radius of c as shown. The hollow sphere also carries a total excess charge of +6 mu C. Determine the excess charge on the inner surface of the outer sphere (a distance b from the center of the system). zero coulombs +6 mu C -6 mu C -12 mu C +12 mu C Determine the excess charge on the outer surface of the outer sphere (a distance c from the center of the system). zero coulombs +6 mu C +6 mu C +12 mu C -12 mu C Which one of the following figures shows a qualitatively accurate sketch of the field lines in and around this system?

Explanation / Answer

1) c) option.

2) d) option.

3) e) option.

inner sphere induces a -6 micro coloumb on the inner radius of outer spherical shell.

But net charge on the outer shell is +6 micro coloumb, so charge on the outer surface is + 12 micro coloumbs.

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