The following system of equations was generated by applying the mesh current law to the circuit in the figure. Solve for the currents. 60I1 – 4012 = 200 -40I1 + 15012 – 100I3 = 0 -100I2 + 130I3 = 230 20 1 10 2 80 V 40 n 100 n 200 V 30 1 10 A
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No. 3
Use Gauss-Jordan method
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- Q2/ write the nodal equation for the circuit shown below. Re 6 A R62 R40 30 fl R 122 E 12 V Ethe adjoining figure. This lamp can withstand a maximum voltage 3.0 v 0.4 9. Volt-ampere (V-I) charaeteristics of an incandescent lamp 16thd in and a maximum current 0.4 A. An infinite ladder network consisting a large number of these lamps is also shown in the figure given belo How much maximum voltage can be applied between the terminals A and B, so that no lamp gets damaged? (Use V5 = 2.2). Ans:x4.2V Hint: Curentin all bulls except first isIn the figure: R1 = 27.3 Q, R2 = 93.1 Q and R3 = 1571.12 Q, then determine the value of the source current Is. 12 13 RT R1 R2 R3 E 1.33 0.98 1.44 1.73 1.15Find current I, in the circuit of Figure Q2(b). j6Q -j42 10Ω I. j12 V 12 03 10280° A Figure Q2(b)500mA 200mA Solve for the value of R3 as shown in the figure. 100mA 50mA "RI 250 13: R2 R3 R4 12What is the difference between the cut-off voltage VGS0 f and the narrowing voltage Vp? Explain this with the diagramHint:The wires here have zero resistance. Thus, for currents that travel along a wire that has no circuitelement, you can safely omit it and simplify the circuit. After, you can use the Kirchhoff's rules. Answer must be answer must be 0.99 A DOWNVOTE IF YOU DONT GET THIS ANSWER 0.99 ALet Vab_c be the voltage when RL is connected and Vab_d when RL is disconnected, find these peak voltages and current flow through RL. Express your result as IL=900mA, Vab_c=5.33V, Vab_d=2.88V + 12 V7 12Vrms 60Hz 0° R2 3Ω R4 www 3.Q R3 6.Q R6 www 5Q R7 www ΖΩ R5 1002 a b RL 8.QRi P Rz E3 Ry R3 Ez a) Apply Kirchoff's law to the circuit and write down the linearly indepedent voltage equations. You must draw the diagram and show the direction of currents in each of the components. The emf's in the circuit have the values E = 3 V, E2 = 9V and E3 = 10 V. The resistors have the following value of resistances R = 22 2, R2 = 33 N, R3 = 112 and R4 = 11N. b) Find the current through the resistance R3. current Give your answer up to at least three significance digits, A c) Find the magnitude of potential difference across the points p and q (i.e. potential difference of point q relative to point p. ).. magnitude of potential difference Give your answer up to at least three significance digits. VThe following system of equations was generated by applying the mesh current law to the circuit in the figure. Solve for the currents. Use LU Decomposition method. 60I1 – 40I2 = 200 -40I1 + 150I2 – 100I3 = 0 -100I2 + 130I3 = 230(4) Find Current To in the following ckt. (or) write all the Three loop equations. 205 10 10010 m. 3105 345 j55 cler jzos m 365 j30r - 110Question 2 Figure Q2 shows the exact equivalent circuit of a 50 Hz, 30 kVA, 2200 V/250 V single- phase transformer. Given that Rp = 0.9 №, Xp = 2 N, Rc = 10 MN, Xm 13 ΜΩ, Rς = 0.0094 , Xs 0.038 N and iron losses at the rated voltage is 10 kW. A load with 0.8 lagging is connected to the secondary circuit of the transformer. ܫܫܫܫ (b) - (a) Draw the approximate equivalent circuit referred to primary and calculate the equivalent winding resistance and reactance referred to primary. Based on the circuit parameters calculated in part (a), determine the full load efficiency.SEE MORE QUESTIONS