E = 100 V, R₂ = 19 kN, RB = 82 k, Capacitor = 77 μF. The capacitor starts fully discharged. The switch is moved to position A at t=0. What is the capacitor voltage at t = 4.5353 s? Enter the unit with your answer What is the capacitor current at t = 4.5353 s? Enter the unit with your answer. If the switch is then moved to position B, what is the capacitor voltage at t = 17.7947 s? Enter the unit with your answer. what is the capacitor current at t = 17.7947 s? Enter the unit with your answer.

E = 100 V, R₂ = 19 kN, RB = 82 k, Capacitor = 77 μF. The capacitor starts fully discharged. The switch is moved to position A at t=0. What is the capacitor voltage at t = 4.5353 s? Enter the unit with your answer What is the capacitor current at t = 4.5353 s? Enter the unit with your answer. If the switch is then moved to position B, what is the capacitor voltage at t = 17.7947 s? Enter the unit with your answer. what is the capacitor current at t = 17.7947 s? Enter the unit with your answer.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter20: Capacitance In Ac Circuits

Section: Chapter Questions

Problem 2PA: You are working in an industrial plant. You have been instructed to double the capacitance connected...

See similar textbooks

Similar questions

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 L
Fill in all the missing values. Refer to the formulas that follow. Resistance Capacitance Time constant Total time 150 k 100 F 350 k 35 s 350 pF 10 s 0.05 F 1.2 M 0.47 F 12F 0.05 s 86 k 1.5 s 120 k 470 pF 250 nF 100 ms 8 F 150 s 100 k 150 ms 33 k 4 F =RCR=CC=R Totaltime=5
Three capacitors having capacitance values of 20F,40F, and 50F are connected in parallel to a 60 - Hz power line. An ammeter indicates a circuit current of 8.6 amperes. How much current is flowing through the 40F capacitor?
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 C
Assume that the voltage drop across the resistor, ER, is 78 V, that the voltage drop across the inductor, EL, is 104 V, and the circuit has a total impedance, Z, of 20 . The frequency of the AC voltage is 60 Hz. ETITZ20VAPFER78VIRRPEL104VILXLVARsLL
You are working in an industrial plant. You have been instructed to double the capacitance connected to a machine. The markings on the capacitor, however, are not visible. The capacitor is connected to 560 volts and an ammeter indicates a current of 6 amperes flowing to the capacitor. What size capacitor should be connected in parallel with the existing capacitor? What is the minimum AC voltage rating of the new capacitor? What is the minimum DC voltage rating of the new capacitor? What is the minimum KVAR size that can be used in this installation?
The 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%ER14.993VIRRPELILXL60VARsLLECICXC45VARsCC
H5. An RCL circuit connected in series has R = 180 ohms, C = 1/280 farad, L = 20 henries, and an applied voltage E(t) = 10 sin t. Assuming no initial charge on the capacitor, but an initial current of 1 ampere at t = 0 when the voltage is first applied, find the subsequent charge on the capacitor at t=0.5. Use 4 decimal places.
A 40μF capacitor in series with a coil of resistance 8Ω and inductance 80mH is connected to a 200V, 100Hz supply. Calculate: i. The circuit impedance. ii. The current flowing. iii. The phase angle between the voltage and current. iv. The voltage across the coil. v. The voltage across the capacitor. b. A coil of resistance 25Ω and inductance 100mH is connected in series with a capacitance of 0.12μF across a 200V, variable frequency supply. Calculate: i. The resonant frequency. ii. The current at resonance. iii. The factor by which the voltage across the reactance is greater than the supply voltage.
A 0.8-F capacitor is connected in series with a 7-ohm resistor. If the connection is energized from a 10-V DC source, determine the voltage (in volts) across the capacitor at t = 2.5 ms. The initial charge is 150 mC. Express your answers accurate to four decimal places. No need to put the units. Do not put spaces.
An uncharged 0.2 μF capacitor is driven by a triangular current pulse. The current pulse is described by i(t)={0,t≤0;5000t A,0≤t≤20 μs;0.2−5000t A,20≤t≤40 μs;0,t≥40 μs. Derive the expressions for the capacitor voltage, power, and energy for each of the four time intervals needed to describe the current.
Differential Equations: A resistor of 25 ohms and a capacitor of 0.04F are connected in series with a 50V source. If q(0) = 2/3C, calculate the current after 1 minute.