An inductor (L = 390 mH), a capacitor (C = 4.43 µF), and a resistor (R = 400 $2) are connected in series. A 50.0-Hz AC source produces a peak current of 250 mA in the circuit. (a) Calculate the required peak voltage AV max (b) Determine the phase angle by which the current leads or lags the applied voltage. magnitude direction ---Select-- v
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- Assume 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 LPOWER SİSTEMS high voltage technique it is possible to measure pulsed (AND ANSWER THE SAME QUESTION FOR AC AND DC ) high voltages with the help of two spheres of equal radius placed on the same axis. In which case the approximate impulse,AC AND DC voltage value that can be measured with such a system with diameters of 500 mm and known spacing between them is 2.5 cm, is given correctly. (Ambient conditions are neglected and take Ed = 30 kV / cm2 k = 0.9) a) 68,65114 kV b) 81.30081 kv c) 97,08737 kv d) 65,35947 kv e) 57.48835 kv f) 46.21612 kv PLEASE ANSWER THE SAME QUESTION FOR DC HİGH VOLTAGE AND AC HİGH VOLTAGE WHAT THE DIFFERENCE BETWEEN THEMA coil RL is connected in series with a capacitor across the 220 V, 60 hz, AC supply. If this circuit operates at 0.87 pf leading, determine the magnitude of this voltage, Assume voltage acrros the coil and the caapacitor are equal.
- The capacitor of external defibrillator must be loaded at 1500V, in order to generate a two-phase wave of 150 J.Considering a transthoracic impedance is 80ohms and a capacitance of 30 000 uF. 3- What is the energy of the capacitor?4- What is the internal impedance of the defibrillator in the previous cases?A series L–R–C circuit has a supply input of 5 volts. Given that inductance, L = 5 mH, resistance, R = 75ohm and capacitance, C = 0.2µF, determine (c) the frequency at which the p.d. across the capacitance is a maximum and (d) the value of the maximum voltage across the capacitor. answer: c) 4741 hz, d)10.85voltsFind the impedance theoretically of a wire if it carries the frequency 10 kHz have a voltage is 8v, the current is 2mA, resistance is 12 kΩ , inductance 27 mH and capacitance 0.2 µf
- A 200 Ω resistor, 0.900 H inductor, and 6.00 µF capacitor are connected in series across a voltage source that has voltage amplitude 30.0 V and an angular frequency of 250 rad/s. (a) What are v, vR, vL, and vC at t = 20.0 ms? Compare vR + vL + vC to v at this instant. (b) What are VR, VL, and VC? Compare V to VR + VL + VC. Explain why these two quantities are not equal.The phase angle between the input waveform and the capacitor can then be measured using thefollowing equation, sin(ω t) = sin(2π f t) and θ = 2π f t the difference in the phase angle is, ∆(θ) = 2πf∆t, in radians Resistor = 1 kΩ Capacitor = 100nF Peak voltage (AC Voltage) = 2V Frequency = 1KHz Where ∆θ is the phase difference, ∆t is the time difference and can be found as shown in the image below.What is the Value of the phase shift, ∆(θ) =?32. A time domain circuit with v(t) = 100 sin(377t) in 5mS, what is the effective current if the load is 10 ohms? 6.14A 8.67A 7.07A 10A 36. In a series RL circuit, if cos θ = 0.707, the voltage ________ the current by _______. leads, 90 degrees lags, 90 degrees leads, 45 degrees lags, 45 degrees 37. What will happen when an ideal capacitor was installed in parallel with the load? system power factor decreases system power factor increases system will be under voltage system power loss increases 39. Phase angle in a balance circuit has a difference of __________ degrees. 60 90 30 120
- The current in an L-R-C series circuit has amplitude 0.120 Aand angular frequency 8.00 * 103 rad/s, and it has its maximum positivevalue at t = 0. The resistance is 95.0 Ω, the inductance is 6.50 mH,and the capacitance is 0.440 mF. For the resistor, inductor, and capacitor,find (a) the voltage amplitudes and (b) the instantaneous voltages att = 0.305 ms.An AC Voltage Generator provides 100 V at angular frequency of 500 rad/s to a series RLC, R = 3 ohms, C = 50 uF, L = 10 to 80 mH. Peak Voltage across the capacitor should not exceed 1200 V. A. Determine the voltage across the Inductor, VL(t). Hint: VL(t) leads VR(t) by 90 degrees. What is the average voltage across the inductor, VL? B. Determine the voltage across the Capacitor, VC(t). Hint: VC(t) lags VR(t) by 90 degrees. What is the average voltage across the capacitor, VC? C. Show that V ≠ VR + VL + VCALL ANSWER IN MAGNITUDE FORM PLS USE 4 DECIMAL PLACE *A coil of resistance 1 ohm and inductance 100 mH is connected in series with a capacitance of 0.12µF across a 200 V, variable frequency supply. Calculate the resonant frequency *A 1- microfarad capacitor is connected in series with a 50 ohm resistor. What is the capacitor reactance values on mOHMS? Assume ω =377 *The total capacitance of two 40-mF series-connected capacitors in parallel with a 1 mF capacitor is _____? *A pure inductance is connected to a 150 V, 1 Hz supply, and the apparent power of the circuit is 300 VA. Find the value of the inductance *What is the RMS current of a trapezoidal wave with 1 A max? *A circuit consisting of a resistor in series with a capacitor takes 100 watts at a power factor of 0.1 from a 100 V, 60 Hz supply. Find the current flowing