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A closed conducting sphere is positively charged such that the surface charge density is `17.7xx10^(-12)C//m^(2)`. If the dielectric constant of the medium surrounding the conductor is 100, then electric field intensity at a point just outside it will be
A. `1.02 V//m`
B. `0.02 V//m`
C. `1.22 V//m`
D. `2.22 V//m`

1 Answer

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Best answer
Correct Answer - B
`E=sigma/(epsi_(0)k)=(17.7xx10^(-12))/(8.85xx10^(-12)xx100)=0.02V//m.`

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