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hansbahia
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Homework Statement
A ground spherical conductor of radius a lies at the center of a uniform spherical sheet of charge QB and radius b.
a) How much charge is induce on the conductor's surface? Ans(-QBa/b)
Evaluate V(r) at position between the conductor and the sheet and outside the sheet
Ans[QB(r-a)/4πε0br]
Ans (ii) [QB(b-a)/4πε0br
Homework Equations
E.dr=Q/ε0
E=σ/ε0
Total Charge on a sphere 4/3πr^3ρ
The Attempt at a Solution
I know that
there is no electric field inside a conductor
charges exist only on the surface of a conductor
all points of a conductor are at the same potential
however the charge I'm getting on the conductor surface since there is a spherical charge sheet is dq=4πr^2drρ=3qr^2/R^3dr but that doesn't even come close to the answer
the second I would only get once I solve a, since V(x)=-∫E.dl
If I have the charge I know that EA=Q/ε0