1.
An electric field E=Ei^+Ej^\vec{E} = E\hat{i} + E\hat{j} exists in space. Find the flux through a triangular loop with vertices at (a2,0,0)\left(\dfrac{a}{2}, 0, 0\right), (a2,0,a)\left(\dfrac{a}{2}, 0, a\right) and (a2,a,a2)\left(\dfrac{a}{2}, a, \dfrac{a}{2}\right).