Question:

Consider a square surface of side 2a, a circular area is

Last updated: 7/10/2022

Consider a square surface of side 2a, a circular area is

Consider a square surface of side 2a, a circular area is removed from the square symmetrically of radius a, A charge q is placed at distance a on the axis of circle. The flux through remaining part is q/6ε₀(3/√N - N). Find N.