Q1: Apply nodal analysis to the network in Fig. (1). Determine the voltage Vx . 2j Ω 3Ω 1220° V + 402 -4j Ω 0.2 vx A

tals of Electrical Engineering 2020/2021 Dr. Yaseen H. Tahir H.W: Use mesh equations to find V, in the circuits in Figure below. a) 6 V 4 kfl 2 kf? S 6 kfl3 3 V

For the series-parallel configuration in Fig. a. Find the source current I. b. Find currents lz and I,. c. Find current Ig. d. Find voltage V Q1\ R2 R6 50 R3 R7 R1 10 Ω 80 V ay R9 6Ω R4 = 403 Rs80 R20

Fundamentals of Electrical Engineering 2020/2021 Dr. Yaseen H. Tahir Example: For the cireuit shown in Figure below, use nodal analysis to determine the current through R3. (Ans. 0.83 mA) R3 1.5 k2 3 R2 R1 1.2 k2 2.2 k2 R4 1.8 k2 20 mA E2 E1 50 V 1 20 V Solution: Node b Node a Va R3 1.5 k2 R4 1.8 k2 1s R1 R2 20 mA 1.2 kQ 2.2 k Rerf. Node Vo =0 V ",

Place your final answers for this problem in the correct boxes at the bottom of this page. Use the value Zdegrees notation for representing phasors. Bold terms are expected to be phasors. Vs = 1020 degrees, R = 100 Ohms, L=2 H Vs S + Zin, → R ww IR I₂ ell 1. What is VL if w-10 rad/sec? 2. What is VL if w=100 rad/sec? 3. What is VL if w=1000 rad/sec? 4. Derive the voltage transfer function starting with KCL and ending with VL Vs + VL

Consider the following figure. 2.5 cos 10 mA ( The value of v₁(t) is The value of v2(1) is 1.5 cos (101-42°) mA X V₁ (1) m 100 mH Referring to the circuit shown in the given figure, employ phasor-based analysis techniques to determine the two nodal voltages. Report your answer so that all angles are in the range of 0 degrees to negative 180 degrees. 220 mF * 10-4 10-4 cos(10t- 1₂(1) cos(10t- 292 °) V. 1°) V.

Exercise: In Figure 4 the two-terminal network of Figure 3 with the parameters of Table 3 is placed in a circuit. The source is a 2-kHz sinusoid with a 4-V amplitude. Model this source voltage as having a phase of zero. Rs = 2 kQ. Find the amplitude and phase of v and i

Show that at a given frequency ω, the circuits will have the same impedance between the terminals a,b ifR1=R21+ω2R22C22,C1=1+ω2R22C22ω2R22C2.2. Find the values of resistance and capacitance that when connectedin series will have the same impedance at 40 krad/s as that of a1000 Ω resistor connected in parallel with a 50 nF capacitor.

A source v. (t) =V cos 100xt has an internal impedance of (4 - j3)Q. 1f a purely resistive load connected to this source has to extract the maximum power out of the source, its value in Q should be (A) 3 (B) 4 (C) 5 (D) 7

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