A) Is same throughout
B) Is higher near the outer cylinder than near the inner cylinder
C) Varies as \[1/r\], where \[r\] is the distance from the axis
D) Varies as \[1/{{r}^{2}}\], where \[r\] is the distance from the axis
Correct Answer: C
Solution :
The magnitude of electric field in the annular region of a charged cylindrical capacitor is given by \[E=\frac{1}{2\pi {{\varepsilon }_{0}}}\frac{\lambda }{r}\] where l is the charge per unit length and r is the distance from the axis of the cylinder. Thus \[E\propto \frac{1}{r}\]
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