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Practice over 1000+ GATE-level questions from this topic!

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Q#1 BJT GATE EC 2020 MCQ +2 marks -0.66 marks

The base of an npn BJT T1 has a linear doping profile  as shown below. The base of another npn BJT T2 has a uniform doping  of . All other parameters are identical for both the devices. Assuming that the hole density profile is the same as that of doping, the common-emitter current gain of T2 is

approximately 0.3 times that of

approximately 0.7 times that of

approximately 2.5 times that of

None of These

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