Copyright: Subject matter
Q.15 For the BJT Q, in the circuit shown below, B = ∞0,
= 0.7 V. The switch is initially
BEon = 0.7 V, V
CEsat
closed. At time t = 0, the switch is opened. The
time t at which Q, leaves the active region is
-5 V
5 V
Q₁
Ro
4.3 ΚΩ
0.5 mA
t = 0
-10 V
= 5 µF