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Bipolar Junction Transistors (BJT) - Technical MCQs

Q1:

If VCC = +18 V, voltage-divider resistor R1 is 4.7 komega.gif, and R2 is 1500omega.gif, what is the base bias voltage?

A 8.70 V

B 4.35 V

C 2.90 V

D 0.7 V

ANS:B - 4.35 V

Vbb = Vcc * (R2/R1+R2) = 4.35.