A) For the circuit in Figure v(t) = 60 sin (4t+30°) V Determine the; i. ii. iii. 4(0) 502 Figure 1 7H 12 (1) 1 F 2H Phasor currents Coupling coefficient Energy stored in the coupled inductors at t= 1 second. 6 H 13 (1) 302 5

find the thevanin equivalent cirucit. 1.) find Vth 2.  Find RTH by using the short circuit current.   include notes so I can follow through

A circuit is designed with an AC source of max voltage 12 and frequency 60 Hz. The circuit has a resistance of 1050 Ohms, an inductance of 0.06 Henrys, and a capacitance of 0.009 coulombs per volt. - omega for source in rad/s? - omegaR for circuit? -XL? -XC? -phi in radians? -Z? -imax?

b) Two circuits connected in series which voltage drop across at each circuit can be expressed in time TTM domain as V1 (t) =5 sin (3147) V and V2 (1) =15 sin (314t - 30°) V. Sketch the waveforms of these voltages to illustrate peak values and phase relationships. UTM 5 UTM UTM TM S UTM UTM TM 5 UTM 8 UTM

V, = @sin(@t) + 2@ cos(@t). For this 6. A LRC circuit below is used to modify an input voltage applicatio, = 2 ydurāifidrentidi equation gnlist be in terms of %3D charge 9 notes to generate the general solution. No other method will be accepted. Use two decimal point accuracy. You . You must use the complimentary and particular solution method as shown in your are given that -2N@² + 20N = 2@ and -2M@² +20M = 2@¸ which you must use to simplify your particular solution when you equate coefficients. L HH Va VL Vc keo = Im sin(ot) Vs

For the circuit below with input voltage V1, a step function of magnitude 25 volts at time t-0, find the transient response voltage across the capacitor C1 and plot the results: (Provide your calculations and reasoning for your answer.) R1 555 250mH V1 = 0 V2 - 25 TD = 0 TR In V1 C1 TF in PW- 25 PER = 3.3u

9. What will be the impedance of a LR-C circuit if it has a circuit current of 3A and a supply voltage of 120V? A. 45ohm  B. 50 ohm  C. 40 ohm  D. 35 ohm  10. A pure inductance of 100mH is connected in parallel to a 25microfarad capacitor. The network is connected to a 200V, 60Hz supply. Determine the circuits current.  A. 2A B. 3.42A  C. 4A D. 10A

Describe the steady-state similarities and differences of DC and AC circuits with purelyresistive elements

Fundamentals 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

: Answer All points: A d.c. circuit usually has .......... as the load Oresistance Oinductance Ocapacitance Oboth inductance and capacitance