The electric field in a region is given by `E=ahat(i)+bhat(j)`. Here, a and b are constants. Find the net flux passing through a square area of side l parallel to YZ-plane.

Explanation

A square area of side l parallel to YZ- plane in vector from can be written as, `S=l^(2)hat(i)`
Given, `E=ahat(i)+bhat(j)`
`:.` Electric flux passing through the given area will be
`phi_(E)=E*S=(ahat(i)+bhat(j))*(l^(2)hat(i))=al^(2)`