Look at the PowerPoint slide #11 of Lec 4. (You may find slides # 19 - 25 of Lec 3 useful to answer these questions about surfaces, flux and Gauss' Law). The problem asks you to calculate the electric flux through at the top and the bottom surface.
(a) What is the angle between the top surface A and the electric field E?
(b) What is the angle between the bottom surface A and the electric field E?
Choose your answer from zero / 90 / 180 degrees/ something else ______.
Write a sentence describing your answer choice for each case to earn full credit. Your answer should be written the following way:
(a) Angle ______; Explanation: _______
(b) Angle -------; Explanation: ________