Solve the below:
Q: A "1-mA diode" (i.e., one that has vD =0.7 V at iD = 1 mA) is connected in series with a 500Ω resistor to a 1.0 V supply.
(a) Provide a rough estimate of the diode current you would expect.
(b) Estimate the diode current more closely using iterative analysis