Using Nodal Analysis, determine the voltages at nodes (1, 2 and 3) of the circuit shown in Figure Q3. 5A 4.2 www ΖΩ 2 8Ω ww ww www 402 0 3 3ix

3.40 Find Vi and V in the circuit shown in Figure P340. FIGURE P3.40 2 kn R2 V2 4 kn 2000 i 5 V 3 kn 2.5 k 45

Electrical Engineering For the final problem, consider the following circuit diagram: 12 Q 30 V Vx 60 Q 2"Vx B 6) For this circuit, please find and draw: a. The Thevenin equivalent circuit between A and B, using external excitation to find R. b. The Norton cquivalent circuit berween A and B. c. Review section 3-8 from the text. What value load resistor connected between A and B would yield maximum power transfer? How much power woukd this be?

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Q3: For the circuit shown in figure (2), determine V1, Vs, Ih and I6. R4 9 k2 R5 6 k2 + Vs - E = 28 V V, R- R33 kN R 10.4 k2 12 k2 12 k2 Figure

For the following circuit, obtain the table of voltages in the capacitor, for when the power supply has a value of 170 V pp, and the frequency of the source varies from 100 Hz to 1000 Hz in 100 Hz intervals. On a graph represent the voltage/frequency values and find a general conclusion based on the results obtained.

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Q3: For the circuit shown in figure (2), determine V1, Vs, I2 and I6. R4 9 kQ R5 6 k. + Vs - E = 28 V V R- R R333 kN 10.4 k2 12 k 12 k Figure

Q3: The French international player Pogba used to celebrate when he score a goal with his club Manchester United. His body formed two triangles big and small as follow in the shape. Consider these triangles as power triangles and calculate the power factor in each one, then determine which triangle represents better power factors. 90 cm CD = 72 cm DE- 54 cm CE= 90 cm 72 cm 54 CIT POGBA 6 42 cm FG=18 cm FH-42 cm GH=37 cm

Q3. (a) Determine the values of Requivalent (Reg) for the circuit in Figure Q3 using circuit reduction technique. (Series-parallel simplification technique). (b) If a voltage source of 100V is applied at port a-b in the network, determine the cui.. supply by the source to the network and voltage drop, Vo in resistor 20 n. 102 12 20 2 32 Vo- 202