Determine the forward-biased B-E voltage required to achieve a recombination factor equal to \delta=0.9967.
Consider an npn bipolar transistor at T=300 \mathrm{~K}. Assume that J_{r 0}=10^{-8} \mathrm{~A} / \mathrm{cm}^{2} and that J_{s 0}=10^{-11} \mathrm{~A} / \mathrm{cm}^{2} .