GAUSS THEOREM
Q-Define area vector.
A- In physics, particularly in electromagnetism, a planar area is treated as a vector quantity rather than just a scalar magnitude. The magnitude of the area vector represents the size of the surface, while its direction is perpendicular to the surface.
Q-Define electric flux. Write its SI unit.
A-Electric flux through a surface placed in an electric field is a measure of the total number of electric field lines passing normally through that surface.
Electric flux=E.dA
Q-State Gauss Theorem and prove it.
A- watch video solution. click below.

Q-Use Gauss’s Theorem to derive an expression for the electric field intensity due to an infinitely long, straight, uniformly charged wire.
A- Watch video solution. click below

Q-State the expression for the electric field intensity near a uniformly charged infinite plane sheet. Does it depend on distance?
A-Watch video solution. click below.
