2 -30°A 60/0° V Z, = 21.84+ j4.68 N
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- 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 RMSObtain the form factor of a half rectified sinewave tine. I sineProblem 54: Express the following phasor currents and voltages as sine waves for f = 60 Hz. Notice that all these phasors are given in rms. a. I= 40 A Z20° b. V = 120 V Z10° c. I= 8 x 10-³AZ – 110° d. V = 6000 VZ– 180°
- what will be the power factor, if the inductive reactance is equal to the capacitive reactance of 20 Q and the resistance is 20 Q. O a. Unity O b. Zero O c. Leading O d. LaggingKr=0.31+jo.31 and Zo=50 Using the law below find the Value of Zr Zr-Zo Zr + Zo Kr=P.3: Find the rms value for the following sinusoidal waveforms a. v= 120 sin(377t + 60°) b. i=6x 10³ sin(2# 1000r) c. u=8 x 10-6 sin(2# 5000 + 30°) P.4: Find the rms value for the following sinusoidal waveforms a. v= 20 sin 754r b. v= 7.07 sin 377r c. i=0.006 sin(400r + 20°) d. i 16 x 10³ sin(377r - 10%) P.5: Write the sinusoidal expressions for voltages and currents having the following rms values at a frequency of 60 Hz with zero phase shifts: a. 4.8 V b. 50 mA c. 2 kV
- 2. A series RL circuit has voltage and current equations of e = 141.42 sin 2n30t + 141.42 sin 2n90t volts and i = 9.8 sin (2n30t - 30°) + 5.66 sin (2n90t - 60°) amperes. Determine the inductance L. A. 92.5 mH B. 38.3 mH C. 27.22 mH D. 83.49 mH10 Q j10 O j10 O ... Vx ell ell 10 V sine -j10 O sine @node x: Y11VX = Isc1 RE IM RE IM Y11 Blank 1 Blank 2 Blank 3 Blank 4Convert the following instantaneous currents to phasors, using cos(t) as the reference. Give your answers in both rectangular and polar form. (a) i(t)=5002cos(t30) (b) i(t)=4sin(t+30) (c) i(t)=5cos(t15)+42sin(t+30)
- 3: Sketch be carefully e = 10 sin(754t +90°) with time in second. A: Determine the form factor for the following wouaforTe netuork show in ope eating in the tondy Thandy state wilh sinussidal vol voltage douce and V, 2 Sin2t delernine the volla fe Va(t) 2178 F Va 2178F 2173F IH58. Two capacitors, a 20 µF and a 30 µF, are connected in series to a 60-Hz source. What is the total capacitive reactance? a. 117.96 N b. 221.04 N c. 253.05 N d. 333.16 N