Q4. Determine the current in each diode and voltages (VA and VB) in the circuit shown in Figure 3. +5 V VA=. .V R1 = 5 kQ ID VB=. V VA IDI =. .mA ID2 .mA VB 0.7V + VD - Ip3 =. ....mA R3 = 5 kQ R2 = 5 ka ID -5 V -10 V Figure 3 za