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1. |
It is observed that N number of field lines come out perpendicularly from the unit surface area of the sphere. What is the amount of charge inside the sphere? ∈ is the dielectric constant of the medium. |
A. | -4πR2 N∈ |
B. | 4πR2 N∈ |
C. | \(\frac {4\pi R^2}{N\epsilon}\) |
D. | –\(\frac {4\pi R^2N}{\epsilon}\) |
Answer» C. \(\frac {4\pi R^2}{N\epsilon}\) | |