2) A solid, spherical conductor of radius R is centered at the origin and has an

Question

2) A solid, spherical conductor of radius R is centered at the origin and has an excess charge of +QO. a) Where is the excess charge located? How do you know? b) If possible, calculate the electric field along the y-axis at a distance 2R from the sphere's center. If this is not possible, explain why it is not possible. 3) Continuing problem 2): A point charge of +2QO is now placed along the y-axis at a distance of 3R from the sphere's center. a) What, if anything, can you say about the location of the excess charge on the sphere? b) If possible, calculate the electric field at the same position as b). If this is not possible, explain why it is not possible.

Explanation / Answer

1)

a ) charge will be distributed on the outer surface of spherical cunductor

b)

E = kQ/(2R)^2

E = kQ/4R^2

2)

a ) excess charge will be on outer surface of cunductor but it will be not uniform due to the presence of 2Q charge

b)

E = k2Q/R^2 - kQ /(2R)^2

E = k7Q/4R^2

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