e superposition to find the current i. 20 μ H 50 cos 2000 V 802 100 2 40 mH ell 2 sin 40001 A 60 Ω 24 V i, = 0.10+0.22cos( 2000r+134.12')+1.18cos(4000t +97.38) A
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- Capacitive Circuits Fill in all the missing values. Refer to the formulas that follow. XC=12fCC=12fXCf=12CXc Capacitance XC Frequency 38 F 60 Hz 78.8 400 Hz 250 pF 4.5 k 234 F 10 kHZ 240 50 Hz 10 F 36.8 560 nF 2 MHz 15 k 60 Hz 75 nF 560 470 pF 200 kHz 6.8 k 400 Hz 34 F 450HW: Sketch the waveforms Vc and Vo versus time. 9V Vin 1mA 9V I Vin 23 t(msec) 6 2 1uF 8 1 4 3 5 Vo 1uF 5. 6. 2. 8 R 4 R 555 Q atm 100Given V 20 sin(@t + 60°) and V2 = 60 cos(ot- 10°). What is the phase angle %3D between the waveforms? All terms to be expressed in cosine terms. 60 80 20 40 Moving to another question will save this response. a hp O O O
- 2_53528980697... -> For the circuit shown below, detemine the voltage of the -j10 2 capacitive reactance. -j5 0 ILOA(T) ==j102 jlon is Q 102 O 0.5L-90 52 A.Problem 3 a) In Figure 1, the current through a 550 nF capacitor is i= 12 x 10-3 A sin(2000t + 20°). What is the sinusoidal expression for the voltage e? b) In Figure 2, the voltage across a 110 mH coil is e = 150 V sin(377t + 45°). What is the sinusoidal expression for I %3D the current i? i – - e e Figure 1 Figure 2 Page 1 of 2Power factor 90 to 100% 88 to <90% 85 to <88% 80 to <85% 75 to < 80% 70 to < 75% 65 to < 70% 60 to <65% 55 to <60% 50 to <55% Less than 50% Surcharge None 2% 4% 9% 16% 24% 34% 44% 57% 72% 80% Use the table given for the following. A house with inductive loads has an avg consumption of 40kW and 26kVAR is supplied 230 Vrms source. We want to make the surcharge 0% by adding a capacitor. a. What is the smallest kVar of the capacitor that would reduce the surcharge to 0%?
- R + Vs Calculate the magnitude of the steady state current i(t) for the values Vs = Vmcos (wt + p) Vт 3D 200V w = 5000 rad/s P = 10° R = 40N L = 8mH C = 2µFThe current through a 220 μF capacitor is given below. Use Ohm’s Law to find the voltage. Convert to polar form, find the impedance and complete the math, then convert back to the waveform at i1 = 1.5sin(2500t + 30°) mA and i2 = 4.7sin(200t – 40°) mAA series resistance - capacitance ( R-C ) circuit is connected to a 230V, 60 - cycle source. If the power taken by the circuit is 4, 800W and the voltage drop across the resistor is 115V.Calculate the capacitance of the capacitor. 600.36 microfarad 1,500.05 microfarad 556.096 microfarad 250.94 microfarad
- QUESTION 3 An inductor, a capacitor, and a resistor are connected in parallel with a function generator. The inductor draws 100mA RMS, the capacitor draws 150mA RMS, and the resistor draws 200mA RMS. Find the magnitude of the total current. O 450mA RMS O 544mA RMS O 352mA RMS O 206mA RMSThe sinusoidal voltage source in the circuit seen in (Figure 1) is operating at a frequency of 46 krad/s. The coefficient of coupling is adjusted until the peak amplitude of 1 is maximum. Figure 2002 100 Q 5 mH3 7502 300 £2 ww 20 mH 1 of 1 40 nF Part A What is the value of k? Express your answer using three significant figures. k = .085 Submit Part B VAΣ vec X Incorrect; Try Again; 28 attempts remaining i₁ = Submit Previous Answers Request Answer What is the peak amplitude of 1 if Ug = 399 cos(4.6 x 10¹) V? Express your answer to three significant figures and include the appropriate units. Provide Feedback μA Value Request Answer Units ? ?1 k2 + VL 1 μF VsZ 0 In the above figure the source frequency is 1000 rad/sec and the amplitude of the source voltage is 1000 Volts. Note that the phase angle of the source voltage is zero. The current through the circuit is 1 + Oj A. a) Calculate the voltage across the inductor (V = ?). b) Calculate the value of the inductor in Henries (L = ?). 41