We have a solid metal sphere with total charge Q and radius R centered on the origin. Check each box that corresponds to a true statement. Select "None of the above" if none of them are true. Note that >> and << mean "much larger than" and "much smaller than", respectively. A. If the sphere were insulating instead of conducting, the interior of the sphere would have to be neutrally charged. B. The electric field for r>R is the same as the field that would be made by a point charge with size Q at the origin. E. If the shape was something other than sphere, but still conducting, the field in the interior might be nonzero. F. The electric field for r>R is the same as the field that would be made by a point charge with size Q at the origin. G. None of the above.
We have a solid metal sphere with total charge Q and radius R centered on the origin. Check each box that corresponds to a true statement. Select "None of the above" if none of them are true. Note that >> and << mean "much larger than" and "much smaller than", respectively.
A. If the sphere were insulating instead of
B. The electric field for r<R is the same as the field that would be made by a point charge with size Q at the origin.
C. The charge on the conducting sphere must all be on the outer surface of the sphere.
D. The electric field for r>>R is the same as the field that would be made by a point charge with size Q at the origin.
E. If the shape was something other than sphere, but still conducting, the field in the interior might be nonzero.
F. The electric field for r>R is the same as the field that would be made by a point charge with size Q at the origin.
G. None of the above.
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