For the circuit shown below consider Vs =25 < 10° V: a) Compute the equivalent impedance Zeq b) Find Is, I1, and I2. c) Draw the phasor diagram indicating magnitude and phase angle for Vs, Is, I1, and I2.
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- SINUSADAL ALTER UATING SIDES 5CM 471t is APPUED TO A H. 5cm IS WOUND HTH 300 TU IN 3.) A SINUSODAL ALTERUATING SINUSADAL ALTERNATING VOLTAGE HAC N C.m.s VALUE OF 200 V FREQUENCY OF so Hz. IT THE ZERO AXIS IN A CROSSES POSITIVE DIRECTION KHEN t=0. DETERMINE li) THE TIME WHEN VOLTAGE FIRST REACHES THF STANTANEOUS VUE OF 2wY AND (i) THE TME HEN KOUAGE LETER PASSING THROUGH Ts MAXIMUM POSITIVE YALUE REACHES THE VALUE 11141.4 V. (0.0025 SELOND (ii) 1/300 SECOND) OF 200 SN 47 E iS APPUED TO A HW AN ALTEFNSTNG VOLTAGE SEPIES VITH A KRISTANE OF 40 2.IF THE4) Given: R = 700-N, Xc = - j 500-N, e(t) = 150 sin(wt) V Find: a) Total impedance of the ckt. b) Total current in phasor and sinusoidal form c) Voltage drop across the resistor and capacitor in phasor and sinusoidal form d) Total Power and Power factorQ2. A series of motor (Load 1) and lighting (load 2) are connected to an AC source as shown in Figure Q2. The AC source, Vs, supplies 415220° V with frequency 50 Hz. Based on this information: 5Ω 100mH : 15 2 Load 1 Load 2 i) Calculate the total load impedance. Vs ii) Calculate the current, I. Figure Q2. Write the waveform expressions in frequency domain for Vs and I. Draw a phasor diagram consists of Vs and / and state the relationship between Vs and I. (ii) (iv) Determine the power factor and calculate the real power, reactive power and apparent power. Establish the power triangle for the load.
- 2-A resultant current is made of two components: a 10 A D.C. component and a sinusoidal component of maximum value 14.14. The average value of the resultant current is amperes (a) 0 (b) 24.14 (c) 10 (d) 4.14 and r.m.s. value is - amperes (e) 10 (f) 14.14 (g) 24.14 (h) 100Problem 1, Signal C Determine the complex phasor V in the form VmeI® or in the equivalent form Vm Lo where Vm the magnitude of the complex number in volts and o is the phase in degrees (not in radians). is v (t) = -5cos(wt) [V] Enter your answer for Vm in volts here, keep 3 significant digits: Question 6 Given the phasor you found for Signal C in the previous question, enter your answer for o in degrees (not in radians) here, keep 3 significant digits:For a series RLC circuit with a sinusoidal input voltage, the amplitude of the current passing through the circuit (I, in mA) is plotted as a function of frequency for two cases: Curve 1 with R1, L1. and Curve 2 with R2. L2 as shown in the next figure. The value of the capacitor used in the circuits is C=0.01 micro Farads. If the value of R2 =1600 Ohm then the input voltage (in volts) is: 7.5 25 110 Frequency H2 O a. 4 O b. 16 sin(9888 t) O c. 8 O d. 8 cos(6.28 f t) O e. 8 sin (6.28 R t)
- The following phasor diagram is: a. The phasor diagram of SG when it is running at lagging power factor b. The phasor diagram of SM when it is running at leading power factor c. The phasor diagram of SM when it is running at lagging power factor with the existence of RA d. The phasor diagram of IM when it is running at lagging power factorFour Circuit elements are Connected in a Sinusoidal allemating voltye series across given Sy e= ll0sin Cwt + 30). The instantaneous voltage across three q by V, = 30sinWE, U= 605in(wt t60°) and 30 sinlwt -20°) the elements are given V= Determine the enpression for the ferten th ulags in the form Vy = ASinlwt t B). G What is the uce phasov opprach. Y. Mis value of V4? diagramas. Donot use Complese nemberdetalls by Q-2: Explain the phase difference between voltage and current for a sinusoidal source voltage V(t)= Vo sin(wt) when it is applied in a circuit to a) On a resistor, b) on a solenoid, c) on a capacitor. Draw a separate figure for each case for voltage and current.
- Determine the total impedance Z of an ac circuit containing a resistor (R = 350 ) connected in parallel with two reactive components connected in series: an inductor (X₂ = 300 2) and a capacitor (Xc = 150 (2). In an ac circuit containing a reactive component, what is the phase relationship between the phasor of the reactance X and the phasor of the source current Is?If the phasor current is 45 degrees ahead of the phasor voltage, write down all the possibilities about circuit impedance.Q5)-a)For this figure shown below the phase relationship between the sinusoidal waveform Of this set. -10sin(wt+80) V=15sin (wt+40) Q5)-b) for this circuit find the max energy if XL=100 Vm-300v,L=0.3H V= Vm Sinwt