An infinite, insulating cylinder of radius ri is surrounded by an air gap and athin, cylindrical conducting shell of radius r2. The insulating cylinder carries constantvolume charge density p and the conducting shell carries a constant area charge densityo.Use Gauss's law to calculate the quantity f E•dA for the Gaussian shape(a)most appropriate for this problem.(b)distribution).Find the electric field in the region r < ri (inside the volume charge(c)Find the electric field in the region r1 < r < r2 (air gap region)2.

(a)Calculate the quantity for the gaussian shape. (b) Electric field in the region (r<r1).…

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