19 A common emitter amplifier circuit is shown in the figure

Last updated: 6/9/2023

19 A common emitter amplifier circuit is shown in the figure below For the transistor used in the circuit the current amplification factor B 100 Other parameters are mentioned in the figure dc 2017 Gujarat RB 220k 2 BE BC We find that a VBE 18 2 V V b VE 18 5 V V BE BC R 4 7k 92 1 5 mA HIDE Vcc 24 V 3 45 V and amplifier is working 2 85 V and amplifier is not working C VRE 20 7 V VRC 3 75 V and amplifier is not working BE BC d VBE 21 5 V V 2 75 V and amplifier is working