I. Series Circuits
Wire the circuit shown in Fig. 1.
Measure and record I, VR, VR2 and the supply voltage.  Calculate Req.

Data for Part I R1   987 ? R2  1988 ? VR1 5.06 Volts VR2 10.15 Volts VS  15.23 Volts I  5.1 mA

II. Parallel Circuits
Set up the circuit shown in Fig. 2
Measure and record I1, I2, I3, R1, R2, V1, V2, and Vs.

Data for Part II I1  15.31 mA I2  7.62 mA I3  7.62 mA R1  987 ? R2  1988 ? V1  15.16 V V2  15.16 V Vs  15.16 V Req  660 ? I1 calculated.0229 A

III. Complex Circuits
Wire the circuit shown in Fig. 3.
Measure and record Vs1, Vs2, VR1, VR2, VR3, Is1, Is2, I1, I2, I3, R1, R2, R3.
Vs1  15.16 V
Vs2  4.99 V
VR1 0.46 V
VR2 5.47 V
VR3 9.67 V
Is1  3.23 mA
Is2  0.47 mA
I1  0.47 mA
I2  2.76 mA
I3  3.05 mA
R1  987 ?
R2  1988 ?
R3  2965 ?