7. Using the superposition method, calculate the current through R5 in Figure 72.
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- Incandescent lighting of 500 W is connected in parallel with an inductive load. A clamp-on ammeter reveals a total circuit current of 7 A. What is the inductance of the load connected in parallel with the incandescent lights? Assume a voltage of 120 V and a frequency of 60 Hz.An R-L series circuit contains two resistors and two inductors. The resistors are 86 k and 68 k . The inductors have inductive reactances of 24 k and 56 k . The total voltage is 480 volts. Find the voltage drop across the 56-k inductor.(b) A pair of thyristor connected in inverse-parallel as shown in Figure Q4(b), The thyristor are triggered at an angle a after their respective anode voltage zeros. (i) Sketch the load voltage waveform for a=30°. (ii) Calculate the rms value voltage VL and current IL for =30° (iii) Calculate the output power for a=30°. (iv) If thyristor T2 is fail to operate , what effect would this have on the value of the output voltage of the converter at a = 30°.
- Charging: A 0.2 F capacitor and a 80092 resistor are connected in series with a battery of voltage 10 volts as shown in the figure. E Answer questions 1-5 www R Tim Atte ONWhat is the approximate value of the total resistance. R2 RS R11 4 kOhm 4 kOhm 5 kOhm R128 kOhm R310 kOhm R42 kOhm R62 kOhm R12712 kOhmQ/A)the current in R according to the source 7v is: * R V1 150 -7V R3 200 R2 V2 .9V O 0.33 0.44 0.55
- Find the voltage across each inductor for the given circuit using the voltage divider rule. VL1 +m= L₁=10mH Vs=100 V, 60 Hz VL2 +mm- L₂=14mHExplain this circuits in detail EQU 2 X'+XY5: For the coupled circuit shown in Figure 3, find the voltage across the capacitor of -j102 reactance with Vi-1040° V and V2-10290° V? j20 50 j50 50 -j100 Figure 3
- Given the following Resistances and Capacitors in Series and Voltage Source: R1 = 9 ohms R2 = 5 ohms C1 = 0.454 Farad C2 = 0.992 Farad Vs = 10,246 Volts Frequency = 70 Hz What is the Amplitude of the voltage across C1?What is the value of Rin ohms such that the current through the 25 ohm resistance is zero amperes. 100 45 0 25 Q 100 V RO 20 Q Type your numencarswen pnc sumN 7:52 Et C S/10/2 99+ +Determine the loop currents Ia, I,, and Ic. 100 Ic 100 100 100 100 Ib 55V 100 V la