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Two charged spherical conductors are connected by a long conducting wire. A total charge of q > 0 is placed on this combination of two spheres. Sphere 1 has a radius of r1 and sphere 2 has a radius of r2, where r2 > r1. If q1 represents the charge on sphere 1 and q 2 the charge on sphere 2, what is the ratio q1 / q2 of the charges?
1. q1 / q2 = r2 / r1
2. q1 / q2 = r1 / r1 + r2
3. q1 / q2 = (r2 / r1)2
4. q1 / q2 = r2 / r1 + r2
5. None of these
6. q1 / q2 = 1
7. q1 / q2 = (r1 / r2)2
8. q1 / q2 = r1 / r2
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