For the circuit presented in Figure 3A, find the current IR and VR, if the diode is a silicon type ( VD = 0.7 volts) ID 8 V + VD Si IR R 2.2 Figure 3A For the circuit presented in Figure 3A, find the current IR and VR, if the diode is a silicon type (VD = 0.7 volts) ID 8 V + VD Si IR R 2.2 Figure 3A