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Bipolar Junction Transistors (BJT) - Technical MCQs

Q1:

What is the collector current for a C-E configuration with a beta of 100 and a base current of 30 mu.gifA?

A 30 mu.gifA

B .3 mu.gifA

C 3 mA

D 3 MA

ANS:C - 3 mA

Beta=Ic/Ib. And Ib=30micro ampere Therefore, Ic=beta*Ib Ic=100*30*10^(-6)A Ic=3mA.