12.73 For the circuit displayed in Fig. 12.74, find the wattmeter readings. 240/-60° V 240/-120° V +1 Figure 12.74 For Prob. 12.73. m ell H+ W₁ W₂ N N Z = 10 + 130 12
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- ASAPFor your answers, write out the units (i.e. millivolt). For the circuit shown in Figure 12 below, calculate: a. The inductive reactance: b. The total impedance: c. The input voltage, Vin: d. The voltage across the inductor: e. The voltage across the resistance: f. The phase angle between the output and the input voltage: 45 F Mostly cloudy V1 f = 10 KHz L1 100m H Figure 12 1 = 0.2 mA R1 10k O Search LOLd) 3-A 500 ohm resistor is connected in series with a coil with a self-inductance of 800 mH and the maximum It is fed by a sinusoidal source with an amplitude of 15 V and a frequency of 15.92 Hz. According to this Which of the following can represent the voltage across the coil? 14.81cos(wt - 9.09) V 2.5cos(wt - 21.2) V 7.20cos(wt - 11.45) V 2.37cos(wt - 81) V 8.5cos(wt - 41.2) V leave blank 3075
- PHASE DIFFERENCE FIND( NEED NEAT HANDWRITTEN SOLUTION ONLY OTHERWISE DOWNVOTE).The figure below shows with two batteries and three resistors. The potential difference across the batteries and the resistance of each resistor is given in the figure. 12.0V 2.00 www 46 8.40 V www 4.000 5.640 (a) What is the current (in A) in the 2.000 resistor? (Enter the magnitude.) 1.480 X Use Kirchhoff's junction and loop rules to find equations to solve for the unknown currents in the branches of the circuit. You will need one junction equation and two loop equations to get three equations and three unknowns. Be careful of sign rules in your equations. A (b) What is the potential difference (in V) between points a and b, that is, AV-V₂-V₂? 2978 x Remember that V-V, refers to the potential at the final point (point b) minus the potential at the initial point (point a). Can you choose a path in the circuit from a to b that uses the current found in part (a)? Be careful of sign rules when finding potential differences along this path. V1) Two identical voltage waveforms of difference phase angles are shown in Figure B. Write down the expression of waveforms A and B clearly. HUS Voltage (V) 8 0 K/N B 7: ST ot
- Impedance of AC circuit and Admittance of AC circuitSHOW THE CIRCUIT USING ANY SOFTWARE OR YOU CAN DRAW IT MANUAALYY thNAKSSA Star 3Phase source with phase voltage of 400V at 50HZ is connected to a delta connected 3Phase AC Motor. The transmisson line resistance from source to load terminal is 1 Ohm. The internal resistance of each winding of motor is 9 Ohm and the inductance of each coil is 38.2 mH. What is the true power delivered to load? O A) 13099 B) 14999 O C) 15099 O D) None60. Design a circuit to limit a 20 V rms sinusoidal voltage to a maximum positive amplitude of 10 V and a maximum negative amplitude of -5 V using a single 14 V de voltage source. 61 Datermine the volto in the girRuit F Figura 1 1?
- 12. The generation of "back voltage" is a significant factor for which of the following? O A. Capacitive reactance O B. Phase shift O C. Effective value D. Inductive reactance3. Solve the following Vin Vin = 1V Vout= Zin = Zout Part B R1 www 100kQ P12 P12 R2 www 1kQ V1 12V N12 Vin = 1Vpk. 1khz sine wave Vout= U1A LM324AD N12 Hilt V2 12V VoutWhen a resistor is connected across the terminals of an ac generator (117 V) that has a fixed frequency, there is a current of 0.332 A in the resistor. When an inductor is connected across the terminals of the same generator, there is a current of 0.365 A in the inductor. When both the resistor and the inductor are connected in series between the terminals of this generator, what is (a) the impedance of the series combination and (b) the phase angle between the current and the voltage of the generator? Note: The ac current and voltage are rms values and power is an average value unless indicated otherwise. (a) Number (b) Number Buda i Vrms R Irms.R Circuit 1 Units Units Vrms. Irms, L Circuit 2 > L Vrms R www Circuit 3