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Which of the following correctly determines the relation between α and β?(a) β=α/(1-α)(b) α=β/(1-α)(c) β=α/(1-β)(d) β=α*(1-β)I had been asked this question during an interview for a job.I want to ask this question from BJT Configuration topic in section BJT Biasing of Analog Circuits

Answer»

The correct OPTION is (a) β=α/(1-α)

For explanation I WOULD SAY: α and β are related as β=α/(1-α).

In a BJT, β = IC/IB. and α = IC/IE

β = αIE/IB = (1+β)α

β = α + αβ

β = α/1-α.



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