Q4. Referring to the circuit shown in figure Q4, by using Superposition theorem, determine a) the Thevenin equivalent circuit external to the load Z₁; b) the load impedance Z₁ which maximum power can be delivered to the load; and c) the maximum power delivered to the load. d) the load voltage when the impedance of load is 8+j102.
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- Three impedance Za= (3+j4) ohms, Zc= (4-j4) ohms and Zr=0+j3 ohms are connected in parallel. Solve for the pf of the combination.In the electrical network in the figure, determine V0:a) using Kirchhoff's laws (no prior simplification is allowed).The picture shows three LC circuits, two of them with capacitors of capacitance C and the three with coils of inductance L, the three circuits are coupled by means of two capacitors Cc capacitors.L inductance coils, the three circuits are coupled by means of two capacitors of capacitance Cc. The currentscirculating through each mesh are those indicated in the figure: I1, I2 and I3. Using Kirchhoff's law for voltagesand taking into account the definition of current I = -dQ/dt, find the system of coupled equations for the systemand then find the angular normal frequencies of the system.
- Figure 2 shows three "LC" circuits, two of them with capacitance capacitors "C" and the three with inductance coils "L", the three circuits are coupled by means of two capacitance capacitors "Cc". The currents that circulate through each mesh are those indicated in the figure: "I1", "I2" and "I3". Using Kirchhoff's law for voltages and taking into account the definition of current I = −dQ / dt, find the system of coupled equations of the system and then find the normal angular frequencies of the system.Solve the power triangle at Z6 using the following network law below.1.) Kirchorff's LawGiven:V1, V2, and V3 = 220∠0° V, 50 HzZ1 = 7+j8 ohmsZ2 = 6+j3 ohmsZ3 = 5+j5 ohmsZ4 = 2+j3 ohmsZ5 = 8+j4 ohmsZ6 = 1+j9 ohmsUsing source transformation theorem, solve the current, I, and voltage, V, in Figure Q4. Assume that the operating frequency is 50HZ. 20 mH 1220° V V. 50' 4290 A (*)1045° V F Figure Q4
- -The Vollage V= 100210°V is 62 pplied across a capacilive 1oad . The 1-a kes ap paraal' Power Load of 500VA teading Power fracl-or. The reaclance (xc) of load 's---- 71. Three impedances Zı = 1 – j4, Z2= 0 – j6 and Z3 = 4 +j3 ohms respectively are connected in series parallel. Zı is connected in connected in series with the parallel combination of Z2 and Zz. Determine the equivalent impedance of the combination.Figure 2 shows three "LC" circuits, two of them with capacitors of capacitance "C" and the three with inductance coils "L", the three circuits are coupled by means of two capacitors "Cc" capacitors. inductance "L", the three circuits are coupled by means of two capacitors of capacitance "Cc". The currents circulating through each mesh are those indicated in the figure: "I1", "I2" and "I3". Using Kirchhoff's law for voltages and taking into account the definition of current I = -dQ/dt, find the system of coupled equations of the system and then find the angular normal frequencies of the system.
- Q4: For the circuit shown in figure below, find the value of impedance Z that will receive maximum power, and determine this power. -j100 N 85 2 relle 17020° V 50 N j200 Q wwA pure resistance of 50 ohms is in series with a pure capacitance of 100 microfarads. The series combination is connected across a 100 volt, 50 hz source. Find the a) impedance, b) phase angle, and c) equation of the currentThree impedance Z1=1-j4, z2=-6. and z3 = 4 +j3 respectively are connected in series parallel. Z1 is connected in series with the parallel z2 and z3. If this circuit is connected across a 230 V across a 230 V, 60 hz, source, determine the voltage across the parallel of Z2 and Z3