A 50 microfarad is connected in series with a coil having 50 ohms' resistance and 150 mH inductance. The source voltage is 100 sin(wt-30 degrees) V. (a)What is the total Impedance of the Circuit in polar form? (b) What is the Equation of the current?
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- Assume that the voltage drop across the resistor, ER, is 78 V; the voltage drop across the capacitor, EC, is 104 V; and the circuit has a total impedance, Z, of 20 . The frequency of the AC voltage is 60 Hz. Find the missing values. ET ER78V EC104V IT IR IC Z20 R XC VA P VARSC PF CThe circuit is connected to a 60-Hz line. The apparent power in the circuit is 29.985 VA, and the power factor is 62.5%. The resistor has a voltage drop of 14.993 V, the inductor has an inductive reactance of 60 , and the capacitor has a capacitive reactance of 45 . ETITZVA29.985PF62.5%ER14.993VIRRPELILXL60VARsLLECICXC45VARsCCAssume that the current flow through the resistor, IR, is 15 A; the current flow through the inductor, IL is 36 A; and the circuit has an apparent power of 10,803 VA. The frequency of the AC voltage is 60 Hz. ET ER EL IT IR15A IL36A Z R XL VA10,803 P VARSL PF L
- In an R-L parallel circuit, ET=240 volts, R=560 R = 560 2, and XL=330. Find reactive power.A 210-microfarad capacitor is connected in parallel with a coil of 25-ohm resistance and 220mH inductance having a supply voltage of 230V, 50Hz. Solve the following: a. Power Factor of the Circuit b. Total Current c. Active/Real Power d. Reactive PowerA resistor'R' with resistance value of 24 ohm, an inductor 'L' with inductance 20mH, and a capacitor 'C' with capacitance 50 micro Farrad are connected in series with a AC voltage v(t) where v(t) = 50 cos (2 vt + 30 degrees) v. Determine the current i(t) and total impedance if the frequency f is i. 60 Hz ii. 400Hz
- 12. A series circuit having pure resistance of 40 ohms, pure inductance of 50.07 mH and acapacitor is connected across a 400 V, 50 Hz, AC supply. This R, L, C combination drawsa current of 10 A. Calculate (a) Power factor of the circuit and (b) Capacitor value.A coil of 50Ω resistance and 150mH inductance is connected in parallel with a 50microFarad capacitor. The source voltage is 100 sin ( 377t +30degree) V. What is the equation of the line current?The resistance of a coil is 140 ohms and its inductance 0.85 H. Determine the current, the p.f. and the circuit impedance when the coil is connected to 120 V, 60 Hz supply.
- ) A coil of inductance 159.2mH and resistance 20Ω is connected in series with a 60 Ω resistor to a 240 V, 50 Hz supply. Determine (i) the impedance of the circuit, (ii) the current in the circuit, (iii) the circuit phase angle, (iv) the p.ds. across the 60Ω resistor and the coil. Major Topic 14 Basics of A.C theory AShort Problem: Given a parallel RLC circuit comprised of the following element: 57.81-ohm resistor, ideal inductor with reactance of 65.75 ohms; and a capacitor with reactance of 6.59 ohms. Compute for true power in watts given an ac voltage source of 100 cis 0 volts.An AC circuit contains a 24-Ω resistor, a 15.9-mH inductor, and a 13.3-µF capacitor connected in parallel. The circuit is connected to a 240-V, 400-Hz power supply. Find the following values. ITank = ILine / Q = VA = P / PF = PF = P / VA Angle 0 =