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- Ex. 1844. Given a sinusoidal voltage source in series with R,L, and C. The sinusoidal voltage source has a frequency of 500 Hz. R=7 Ohms, L=8 milliHenry, C=6 microFarad, V=20sin(wt) volts. Solve for the capacitor steady-state phasor current and voltage. I(jw)=Aexp(jB), vc(jw)=Dexp(jE), Express radian angles between [-pi/2,pi/2]. Solve for the capacitor steady-state time-domain current and voltage: i(t)=Fsin(wt+G), vc(t)=Hsin(wt+K) Ans: w,A,B,D,E,F,G,H,K all MKS units. ans:9Find the phase relation for the following pairs of sinusoids, (which leads and lags which by how much). Draw the phasor diagram e1= -20sqrt2 sin(377t + 200°) V e2 = -10sqrt2 sin(377t - 285°) VThe 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 factor
- 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.If the rms phasor voltage is given as V angle= 60-degree, then how v(t) can be written.If y1=20 cos (ωt − 30°) and y2=40 cos (ωt + 60°), express y=y1 + y2 as asingle sinusoidal function.1. Solve by using trigonometric identities.2. Solve by using the phasor concept.