In the circuit of Fig. P2.28 let VCC 5 10 V, V1 5 4 V, R2 5 10 kV, and R3 5 3.0 kV. Draw and label the circuit and then, assuming F1 5 55, F2 5 50, VBE1(on) 5 VEB2(on) 5 0.7 V, and VCE1(sat) 5...

In the circuit of Fig. P2.28 let VCC 5 10 V, V1 5 4 V, R2 5 10 kV, and R3 5 3.0 kV. Draw and label the circuit and then, assuming F1 5 55, F2 5 50, VBE1(on) 5 VEB2(on) 5 0.7 V, and VCE1(sat) 5 VEC2(sat) 5 0.1 V, fi nd R1 so that IC2 5 0.5 mA. What is the current supplied by V1?