Question

Introduction: In this pre-lab we will look at node voltages, mesh currents and bridge circuits. Bridge Circuits are used to make precision measurements, and in this lab -- -0 V2 will look at a DC Bridge Circuit V( 10-2.12 x 10-2+4.5 x 10-3) (4.5 x 10- (0.32 +0.29 ) A) Mesh currents and Nodal voltages: Build the following electric network in Multisim. V2(0.0152)0.15146 = 99 V 0.320292 9.9 = 3.23 5-и. 5-3.2 1000 1.77 x 10-3 A V5x 1.77x 10-3= 8.85 x 10-3 w Power SV PR (1.77x 10-3)2 x 1000= 3.134 x 10-3 w (323) PR2 104 W Electric Circuits Fig. PR, (9.95-3.23) 0 2058 W R1 1K ohm R2 100 ohm R2 100 ohm R3 220 ohm R4 4.7K ohm R5 100 ohms - Measure and recordthe mesh currents and node voltages. PR (996 0.211 W 470 R. V (V)V4 (V 11.279 11.387 Vs 5V 10V 15V Vi (V) I2 (mA) 34.814 33702 32.591 V2 (V) 3.619 3.973 4.326 I (mA) I (mA) 37.213 36.124 35.035 (15-) = PR. 15-9.96) 0 254 W P15v 0.756 W 19 1381 100 6.027 10 1 0,756+8,85x 10-3 = 0.7648 W P15Psr 15 1 11.496 10.674 PR1 PR2 PR3 PR4 PR5 3.13x10-3 +0.104 0.20580.211 +0.254 = 0.77 W Calculate the power consumed by each of the resistors, and the power supplied by the two supplies. Verify conservation of power Use measured resistance values and node analysis to calculate the node voltages. 111 v.1+1+1 1000 100 220 5 R Ri 1000 22 Use measured resistance values and mesh analysis to calculate the mesh currents. iш) v 10 10-2+4.5 x 10-3)-5x 103 4.5 x 10-3 V 0.320.292 V iv) Show that the calculated values agree with the measured values and explain any discrepancies between measured and calculated values. Please solve these last 3 questions

1. Use measured resistance values and node analysis to calculate the node voltages.

2. Use measured resistance values and mesh analysis to calculate the mesh currents.

3. Show that the calculated values agree with the measured values and explain any discrepancies between measured and calculated values.

Answer 1

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