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A conducting spherical shell of inner radius r1 and outer radius r2 has a charge Q on it. An additional charge, also Q, is
en added to the sphere. What is the resulting charge per unit area on the outer surface of the sphere?
2
b. No answer given is correct.
4m(r₂ - r₁)²
a.
C.
2
47(1₂)²
d.
2m(r^₂)²

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