Question

(23.34) A cylindrical shell of radius R and length L has its charge Q uniformly distributed on its curved surface. (a) What is the electric field at a point i) r<R, ii) r>R? (in terms of given factors, R, Q, L, and r) (b) If the radius R is 7.00 cm, length L is 2.40 m, and the magnitude of the electric field at a point 19.0 cm radially outward from its axis (measured from the midpoint of the shell) is 36.0 kN/C, find the net charge on the shell. (c) The electric field at a point 4.00 cm from the axis, measured radially outward from the midpoint of the shell. (Hint: Because the radius of the cylinder R << L, length of the cylinder, so you can treat it as an infinitely long cylinder.)

          (23.34) A cylindrical shell of radius R and length L has its charge Q uniformly distributed on its curved surface.
(a) What is the electric field at a point i) r<R, ii) r>R?
(in terms of given factors, R, Q, L, and r)
(b) If the radius R is 7.00 cm, length L is 2.40 m, and the magnitude of the electric field at a point 19.0 cm radially outward from its axis (measured from the midpoint of the shell) is 36.0 kN/C, find the net charge on the shell.
(c) The electric field at a point 4.00 cm from the axis, measured radially outward from the midpoint of the shell. (Hint: Because the radius of the cylinder R << L, length of the cylinder, so you can treat it as an infinitely long cylinder.)

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