For a uniformly doped NPN transistor, find the approximate emitter inj – McqOptions

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1.	For a uniformly doped NPN transistor, find the approximate emitter injection efficiency.Given that:NE = 2 × 1018 cm-3, NB = 1017 cm-3, NC = 4 × 1019 cm-3, DE = 8 cm2/s, DC = 28 cm2/s, DB = 20 cm2/s, xE = 0.5 μm, xB = 0.3 μm.
A.	0.95
B.	0.92
C.	0.99
D.	0.94
Answer» D. 0.94

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