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- Given the complex numbers A1=630 and A2=4+j5, (a) convert A1 to rectangular form: (b) convert A2 to polar and exponential form: (c) calculate A3=(A1+A2), giving your answer in polar form: (d) calculate A4=A1A2, giving your answer in rectangular form: (e) calculate A5=A1/(A2*) giving your answer in exponential form.For the circuit shown, determine the Thevenin equivalent voltage seen from the terminals marked A) and B). 22/30° A O 793.222 - 40.56° V O295.62112.87° V 294.88422.89° V j10 52 499.929.77° V · 1252 :-j34 2 -OhFor the circuit shown, determine the current through the 2+j5 ohms impedance. 1 22 jsn mm 2 B LOA D 15L280 ZAN jios 100 L² A 240 L
- It states that "in any electrical network, the algebraic sum of the currents meeting at a point or junction is zero". a. kirchoff's current law b. kircchoff's current law c. kirchooff's current law d. kirchhoff's current lawConsider a RLC circuit shown in figure 2 below in which resistor, inductor and capacitor are connected in series across a Vmax 170V power supply having w = 750rad/sec. Detemine the following; R = 400 2 L 1.0 H C=4.0µF 170 VIf the voltage Vs = 800 mV, then the current flowing in the primary winding Ip, is: 1:8 -j202 Select one: a. Ip =40<0° mA O b. Ip =320<-90° mA O c. Ip = 0.320<90° A %3D O d. None of these ll
- The frequency is known as ohms but many times, it is referred to as cycles. Select one: TRUE FALSEQ1.. no handwritten....find the value of admittance Y on given circuit diagramFor the circuit given in Figure 1, a) Find the Thevenin equivalent circuit with respect to terminals a-b b) When a 5000 resistor is connected to terminal a-b, find the voltage on the resistor wwwwwwmm c) It will be connected to a-b terminals and its voltage on 5000 load will be 132 kV rms. What should be the capacitive reactance value that will increase it? wwwwwwwww d) What happens to the short-circuit current when the a-b terminals are short-circuited? 2+1202 000 m da 127/6 kV rms ob 1.5 +/902 000 w 12725 kV ms
- I. PROBLEM SOLVING. The following are data pertaining to three units in a plant: Unit 1: Min: 150 MW Max: 600 MW C(1) = 0.01562 P₁2 + 79.2 P₁ + 5610 $/br Unit 2: Min: 100 MW Max: 400 MW C(2) = 0.0194 P₂² + 78.5 P2 + 3100 $/br Unit 3: Min: 50 MW Max: 200 MW C(3) = 0.05784 P3² +95.64 P3 + 936 $/br What unit or combination of units should be used to supply a load of 550 MW most economically? Support your answer with solution.Using Figure 1, Vs 50V-15 339 Hz R1 $1100 R2 100 www XL1 320 HH XC1 Figure 1 700 R3 600 13 R4 400 XL2 1902 XL3 450 XC2 650 a. Determine the total circuit impedance, ZT. b. Calculate current IT. c. Calculate currents I, and I3. State the value of these currents in both rectangular and polar form. d. For each of the currents determined in part c, answer the following: Is the current leading, lagging, or in phase with the source voltage. e. Use the voltage-divider rule to determine the voltages across XL1 and Xc2.Determine the output waveform for the network of figure below and calculate the output dc level. Si D1 + 220 V 60 Hz ODeg 2.7kn V. TS POWER_10_Td_1 Si D2