i want to get I_E so i get I_E but that is not corret coincidence to solution so

Question

i want to get I_E

so i get I_E

but that is not corret coincidence to solution

so i want to know where occur wrong

below picture is solution

720 A Si p n-p transistor has the following properties at room temperature 0.1 us 10 cm /s. NE 1019 cm 3 emitter concentration N 10 cm base concentration No. 101 cm 3 collector concentration WE emitter width 3 um w metallurgical base width 1.5 wm distance between junction and base-collector junction base-emitter A cross-sectional area 10-5 cm Calculate the neutral base width w, for Repeat for 0.6 V 0 and V 0.2 V.

Explanation / Answer

In my opinion what u got os correct and answer which is coming in PA is absolutely wrong..

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