Consider a uniform electric field `E = 3xx10^(3) hat(i) N//C`. (a) What is the flux of this field through a square of 10 cm on a side whose plane is parallel to the yz plane ? (b) What is the flux through the same square if the normal to its plane makes a `60^(@)` angle with the x-axis ?

Explanation

`overlineE=3 times 10^3 hat I N//C, overline A=(10/100)^2 hat I =0.01 hat I, phi= overline(E. A)=3 times 10^3 times 0.01=(30 Nm^2)/C`