Electric Field of a Cylindrical Shell
An infinitely long cylindrical shell of radius R has a uniform linear charge density λ. Which of the following expressions represents the magnitude of the electric field at a distance r = 2R from the axis of the cylinder?
A
E = λ/(4πε₀·2R)
B
E = λ/(2πε₀·2R²)
C
E = λ/(2πε₀·2R)
D
E = λ/(πε₀·R)
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