12. Find the current i(t) for the circuit shown in the figure. i(t) 6 cos 100t V + 4 H 12 H 6 H
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- 6. PLEASE SOLVE AND SHOW YOUR DETAILED SOLUTION WITH FBD. The currents at the junction point in a circuit have the following values I1 = (15 – j4) A and I2 = (12 + j22) A. Calculate I1 + I2.NOTE: Solve this as soon as possible, I need this urgently. C = 0, D=3 Determine the currents i, iz and iz in the circuit shown below. (C- D)A (D– C)A DA 12 CAFor the circuit shown in figure Req is: * 140 R3 R, R: 22 Rea Ru RC RS R7 33 6 ohm 24.4 ohm 34,4 ohm 44.4 ohm
- In the circuit shown in figure the switch is closed at time (t=0). The rate of change of current dt across inductor will be tm0 20 8F 20v (3H2. Design a problem, complete with solutions about Kirchhoff's Current Law. Design the problem by specifying values of ia, ib, ic and solve for the values of ia, iz and is. Provide a brief discussion on the procedure done. ia iz iz ic9. Recall that Kirchhoff's laws help to get the current in circuits. Consider the following circuit: L R I(t) C +q(t) -q(t) Ignore the alternating power for this problem. a) What is the voltage over the resistor if it has a resistance of R ohms and the current is I ampere? b) What is the voltage over the capacitor if the capacitance is C and the charge on the capacitor is q. c) What is the voltage over the inductor if it has an inductance of L Henry? The answer must be in a form of a differential equation.
- The capacitor in the circuit is initially uncharged and the switch S is suddenly closed at t=0. Find the current on resistor R, at to Take R-3R/2 and R₂-4R. A) MER B) -15 28 O 815 D) -15 35 R₁ R₂Q 1. Find the unit-step response for the system sown in the figure. RS). T= 1Sec S(stI) 1/5Draw the Direct Form I and II diagrams of the system defined by the difference equation below. 0.4y[n] - 1.2y[n - 1] + 4.8y[n – 3] = x[n] + 4x[n – 1] + 2.4x[n – 2]
- Tutorial exercise Jimmy the Circuit Builder is at it again and this time he is using AC. He has all of the linear components in pairs: two AC voltage sources, two AC current sources, two resistors, two capacitors and two inductors. He is trying to build circuits to create certain voltages and currents. All of the sources operate at w=500 rad/s. 940° V 2 <90° A - 12<60° V 1-30° A (c) V=6490° V (d) I=64150° A (e) I = 0.6 +j1.04 (f) V=18.25434.7° V + (a) Draw the circuit. (b) Calculate the voltage across each component. 100μF TE 1mF 46 392 -M 1mH hint: try combining the two sources 10mH Jimmy first builds one circuit to check his understanding of AC voltage, current and power. The circuit is a series connection of the 12 <60° V voltage source, the 3 resistor, the 10 mH inductor, and the 1mF capacitor. 1092 M Using only two elements, connect the pair of elements to create the following AC voltage and currents: Using exactly three elements, draw circuits to create the following AC voltage…The capacitor in the circuit is initially uncharged and the switch S is suddenly closed at t=0. Find the current on resistor R: at to Take R₁-4R and R 3R. A) = B) 6 25 D) E) SIA R₂ FF R₁Fundamentals of Electrical Engineering 2020/2021 Dr. Yaseen H. Tahir Example: Find the equivalent conductance GAB for the circuit in Figure below and then find RAB- 2 mS ww 1mS A GAB - 36mS 3 mS 4mS: Solution: to CGAD= 8.493 MS R-1177.43o2 AB %3D