A cube of side length L has a charge of Q at its center. Which of the followings statements about the electric field due the charge over the cube's surface is/are true? I) Once the net electric flux is evaluated, the electric field can be easily found from Gauss's law. II) The magnitude of the electric field is constant and given by 25- II) The closed surface integral of the electric field over the cube's surface is equal to Qic, I) The direction of the electric field is constant but its magnitude is not. O A) IV O B) Iand Il O O l and Il O D) Il and IV O E) II

A cube of side length L has a charge of Q at its center. Which of the followings statements about the electric field due the charge over the cube's surface is/are true? I) Once the net electric flux is evaluated, the electric field can be easily found from Gauss's law. II) The magnitude of the electric field is constant and given by 25- II) The closed surface integral of the electric field over the cube's surface is equal to Qic, I) The direction of the electric field is constant but its magnitude is not. O A) IV O B) Iand Il O O l and Il O D) Il and IV O E) II