The current–voltage characteristic curve for a semiconductor diode as a function of temperature T is given by
the equation
i = i0(eev/kt - 1)
Here the ?rst symbol e represents Euler’s number, the base
of natural logarithms. The second e is the charge on the
electron. The kB stands for Boltzmann’s constant, and T is
the absolute temperature. Set up a spreadsheet to
calculate I and R " !V/I for !V " 0.400 V to 0.600 V in
increments of 0.005 V. Assume I0 " 1.00 nA. Plot R versus
!V for T " 280 K, 300 K, and 320 K.