1. The problem statement, all variables and given/known data First question, In the picture attached (One diode and Resistor), when you are calculating V, is the V drop across the diode or the resistor? Second Question, In the second picture (circuit with current source) Why is the nodal analysis equation, 1A=V/100ohms + (V-0.7)/100ohms Forward voltage drop = 0.7, V is voltage at the node in the middle. The part I don't get is the (V-0.7)/100ohms, why are we taking the voltage across the diode then dividing by the resistor? Shouldn't it be voltage across both the diode and the resistor? This forward voltage drop stuff is really confusing me..