A long insulating cylindrical shell has an inner radius of a=1.39 m and an outer radius of b=1.64 m. The shell has a constant charge density of 8.6×10-9 C/m3 . The picture shows an end-on cross-section of the cylindrical shell. a) What is the magnitude of the electric field at a distance of r=1.88 m from the axis? b) What is the magnitude of the electric field at a distance of r=1.56 m from the axis? c) What is the magnitude of the electric field at a distance of r=0.87 m from the axis?

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A long insulating cylindrical shell has an inner radius of a=1.39 m and an outer radius of b=1.64 m. The shell has a constant charge density of 8.6×10-9 C/m3 . The picture shows an end-on cross-section of the cylindrical shell.

a) What is the magnitude of the electric field at a distance of r=1.88 m from the axis?

b) What is the magnitude of the electric field at a distance of r=1.56 m from the axis?

c) What is the magnitude of the electric field at a distance of r=0.87 m from the axis?

 

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