A charged cylinder of radius 3 mm has surface density of charge `4muC//m^(2)`. It is placed in a medium of dielectric constant 6.28. The electric inte
A charged cylinder of radius 3 mm has surface density of charge `4muC//m^(2)`. It is placed in a medium of dielectric constant 6.28. The electric intensity at a point at a distance of 1.5 M from its axis is
A. `1.44V//m`
B. `2.44V//m`
C. `3V//m`
D. `0.5V//m`
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Correct Answer - A
`E=(sigmaR)/(epsi_(0)kr)=(4xx10^(-6)xx3xx10^(-3))/(8.85xx10^(-12)xx6.28xx1.5)`
`=1.44V//m.`
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