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.


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