The electric field along a PN junction under open circuit condition is given below.  Indicate how the labelled points of the graph will change under when p-side (you have to figure out which is the p-side yourself) doping concentration increases.   Point C: [ Select ] move left move right no horizontal movement Point D: [ Select ] move left move right no horizontal movement Point E: [ Select ] move up move down no vertical movement Slope S1: [ Select ] steeper gentler no change Slope S2: [ Select ] steeper gentler no change How would E move if an illumination is shine on the junction? move upMultiple dropdown selections