In an n-p-n CE configuration BJT, when Vcc = 10 V, R1 = 16 kΩ, R2 = 6.2 kΩ and βdc = 20, to switch a BJT into saturation (on state), the minimum input voltage will be
1
2.57 V
2
1.99 V
3
1.78 V
4
2.55 V
In an n-p-n CE configuration BJT, when Vcc = 10 V, R1 = 16 kΩ, R2 = 6.2 kΩ and βdc = 20, to switch a BJT into saturation (on state), the minimum input voltage will be