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1. A 30 cm long thin-walled cylinder of radius R = 3.5 cm, has
charge of 1 x 108 C uniformly spread on it.
a. Draw the Gaussian surfaces for radius values of r = R/2, r =
R, r = 2R and r = 4R. (Draw to scale as much as possible)
b. Calculate the magnitude of the electric field at each of the
radial distance r = R/2, r = R and r = 2R.
c. Graph E versus r for range r from 0 to 4R.

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