Solve by using the phasor concept
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Q: Blank 1 Add your answer
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Q: Vcc = +20 V Rc Ic RB 2.4 kN 10 µF Vo 510 kN C C2 10 µF + VCE B = 100 B + VBE E RE >1.5 kN CE 40 µF
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Q: B) Find the impedance matrix of the lossy network of the below figure. 82 10 2 +12 V1 20 2 20 2 V2
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Q: Given the following Logic function in standard SoP form F (A, B, C) = Σ (m4, m5, m7, m8, m10, m11,…
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Q: 2.43 Find VA and V, in the circuit in Fig. P2.43.
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Q: E3.19 Use mesh analysis to find V, in the circuit in Fig. E3.19. 12 V 2 kl 20001,+ 4 kf? 2 kn Figure…
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- Three branches having impedances of 3+j4 Ω, 16−j12 Ω, and−j4 Ω, respectively, are connected in parallel. What are the equivalent(a) admittance, (b) conductance, and (c) susceptance of the parallelconnection in millisiemens? (d) If the parallel branches are excited froma sinusoidal current source where i=8 cosωt A, what is the maximumamplitude of the current in the purely capacitive branch?Find the phasor voltage ?s (rms) if loads ?1 and ?2 are absorbing 15 ??? at 0.6pf lagging and 6??? at 0.8pf leading, respectively. Express ?s in polar form as shown in the figure below. ( Find the phasor Vs (rms) ): L1 and L2 absorbing = 15kvA at 0.6 pf(power factor) and 6kvA at o.8pf (power factor , leading) Express Vs in polar form.A circuit is constructed with an AC generator, a resistor, capacitor and inductor as shown. The generator voltage varies in time as ε = Va - Vb = εmsinωt, where εm = 120 V and ω = 429 radians/second. The values for the remaining circuit components are: R = 61 Ω, C = 426 μF. The value for L is unkown. What is known is that the voltage across the generator leads the current in the circuit by φ = 48 degrees. 1) What is t1, the first time after t = 0 when the magnitude of the voltage across the inductor is maximum? 4) What is VL,max, the magnitude of the maximum voltage across the inductor? 5) What is VL = Vb - Vc, the voltage across the inductor, at time t = 0? Note that VL is a signed number.
- Two alternating voltages are given by: v1 = 120 sin (ωt) volts and v2 =200 sin (ωt −π/4) volts. Obtain sinusoidal expressions for v1 −v2 (a) by plotting waveforms, (b) by resolution of phasors.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 factorThe line with symmetrical spacing then the equilateral spacing (Deq) for the three-phase inductance calculation is D12=D23=D31=D. Select one: True False
- Given the applied source and network below: a. Determine the sinusoidal expression for the source voltage ?? b. Find the sinusoidal expressions for the currents ?1 and ?2.If a current 5.0 A lags the applied voltage 230 V by an angle ϕ, it can be resolved into two components, OA in phase with the voltage and OB lagging by 90°. If the phasor diagram in to a circuit possessing resistance and inductance in series, OA and OB must not be labelled and respectively. It has become the practice to say that the power factor is laggingwhen the current lags the supply voltage, and leading when the current leads the supply voltage. This means that the supply voltage is regarded as the reference quantity. (a) A 30 μ F capacitor is connected across the applied voltage, 50 Hz supply. Calculate the reactance of 30 μ F capacitor connected across applied voltage (b) the reactance of the capacitor; (c) the current.What are two ways of reducing Z0? (last part of the question)
- Find the total impedance, voltage drop on the 100-ohm resistor, draw the phasor diagram of the voltage and current at R1, total power (apparent) delivered by the current source, draw the phasor diagram of the voltage and current at the source. Also, is the circuit inductive, capacitive, or neither (resistive)? please give the step-by-step solution NOTE: Polar form for Voltage & Current. Rectangular form for ImpedanceA circuit branch is found to have an equivalent impedance of Z=120−j45Ω. It is given that this impedance is a series combination of a 120Ω resistor and another passive component. If the circuit has a sinusoidal voltage source whose frequency is 120 Hz. What is the value of the component in series with the 120Ω resistor? (Note: Express the value assuming a metric scaling of μ(10-6). Provide your answer in decimal form, up to 3 decimal places.)Two alternating voltage are given by v1 = 120 sinωt volts and v2 = 200 sin(ωt – π/4) volts. Obtain sinusoidal expressions for v1 + v2 . (a) by plotting waveforms, and (b) by vector. Please show some graph and diagram on how you solve this problem ?