In: Physics
(a) A positive point charge Q is placed at the center of a cube. Draw the field lines for this charge configuration. Include at least 7 field lines and be sure to show them passing through the surface of the cube.
(b) What is the flux through one side of this cube? Hint: Do not under any circumstances integrate to find the flux. Think about how many sides the cube has and whether or not the flux through each face is equal.
(c) If another positive point charge Q is placed outside one of the sides of the cube, how would the flux through that one side of the cube change? How would the flux through the entire cube change?