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chipperh
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Homework Statement
a 240nC point charge is placed at the center of an uncharged spherical consucting shell 20cm in radius. A) What is the surface charge density on the outer surface of the shell? B) What is the electric field strength at the shell's outer surface?
Homework Equations
A) Charge Density=surface charge/surface area.
B) E=q/(4*pi*E*r^2)
I am unsure if surface charge is the same as the "E" calculated in Part 'B". If it isn't, how do I calculate Surface charge.
The Attempt at a Solution
A) 107330c/m^2 (Doesn't seem correct)
B) results are 53950n/C
Thank you.
Chip