1. Connect the circuit as in Fig. 5. Take Vi 10 V, Ri 1KI, R2- 2.7 KO, R3- 3.3 KO, and V2-8 V. With the help of equation (1)(in theory Section), calculate the node voltage V3, branch currents I1, I2, and I3.

PARALLEL CIRCUIT 1. Create the circuit shown in figure B. Measure and record Vah, Vbg, Vcf, Vde, 16k, 13k and 12k and Itotal. 3. Compute the total resistance. 4. Using the formula Rt=Vah/It, compute for the total resistance. 5. Record the results in table 2. 2. a d V2 R6 S6kΩ R5 R4 –12V 3kn 2kn Figure B g f e Table 2 Vah Vbg Vcf Vde It 16k 13k 12k Rah Measured Values Computed Values

R3 R5 R1 A D 1k 2.2k 2.2k V1 V2 5Vdc R2 I, 4.7k R4 15Vdc 1k E H Figure1 The circuit shown Figure 1 will be used in this lab to study the Node Voltage and Mesh Current analysis techniques. The definition of each mesh current is given in the figure. For future convenience, the node voltage will be represented as 'Vx', where 'x' represents one node from a list of nodes such as 'A, B, C, D, E, F, G, H'. Write down two sets of symbolic equations leading to solve the circuit using Node voltage (1) and Mesh current methods. Explain which method is preferred to use for calculations.

R2 R3 ww 50 20 11 R4 20 R1 = 0 2A R6 30 V1 12V R5 120 V2 8V Solve the circuit to find: i. the current through R5 due to voltage source V1. ii. the current through R5 due to voltage source V2. iii. the current through R5 due to current source I1. iv. the total power loss in R5 due to all the three sources.