1. In the circuit below, the switch S has been open for a long time. It is then suddenly closed. Take & = 15V, R₁ = 50 kn, R₂ = 100 kn and C= 12 μF. Determine the time constant (a) before the switch is closed and (b) after the switch is closed. (c) Let the switch be closed at t = 0, Determine the current in the switch as a function of time. R₁ R₂

1. In the circuit below, the switch S has been open for a long time. It is then suddenly closed. Take & = 15V, R₁ = 50 kn, R₂ = 100 kn and C= 12 μF. Determine the time constant (a) before the switch is closed and (b) after the switch is closed. (c) Let the switch be closed at t = 0, Determine the current in the switch as a function of time. R₁ R₂

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter17: Resistive-inductive Series Circuits

Section: Chapter Questions

Problem 2PA: You are a journeyman electrician working in an industrial plant. Your task is to connect an inductor...

See similar textbooks

Similar questions

In the circuit below, switch S is initially disconnected from points A and B. The switch is then connected to A. What is the current and voltage in the resistors and inductor: a) as soon as the switch is turned on b) long after the key is turned on. The switch is then suddenly disconnected from A and connected to B: c) What is the current in the resistors at that moment? d) What is the voltage in the inductor? e) After that moment, what is the total energy dissipated by the resistors?
For the network shown in figure (3), if the switch is closed for 2usec and then opened for Susec, find mathematical expressions for vi and in of both periods of time and then plot the waveforms of vL and i as a function of time.
The switch in Figure a closes when AVc > 2/3AV and opens when AVc < 1/3AV. The ideal voltmeter reads a potential difference as plotted in Figure b. What is the period T of the waveform in terms of R1, R2, and C? R1 R2 "AV Voltage- controlled switch v) AV. AV. Δν 2Δν AV
You have the task of ordering a replacement inductor for one that has become defective . The information on the nameplate has been painted over and cannot be read . The machine that contains the inductor operates on 480 V at nameplate has been painted over also . A clamp - on ammeter indicates a current a frequency of 60 Hz. Another machine has an identical inductor in it , but its the machine that is still in operation . After turning off the power and locking out of 18 A , and a voltmeter indicates a voltage drop across the inductor of 324 V in the panel , you disconnect the inductor in the operating machine and measure wire resistance of 1.2 with an ohmmeter . Using the identical inductor in the operating machine as an example , what inductance value should you order and what would be the minimum VAR rating of the inductor? Should you be concerned with the amount of wire resistance in the inductor when ordering ? a Explain your answers .
In Figure, a 20 resistor is connected to a battery. Figure shows the increase of thermal energy Eth in the resistor as a function of time t. The vertical scale is set by Eths =2.50 mJ, and the horizontal scale is set by ts = 4.0 s. What is the electric potential across the battery? 0.20 V 0.15 V 0.30 V 0.10 V 0.25 V R Eh,s Eth (mJ) t (s) ts
a.) What is the resistance in the circuit a long time after the switch is closed? b.) What is the current through both resistors a long time after the switch is closed? c.) What is the current through the inductor a long time after the switch is closed?
In the figure ɛ = inductor is ideal. If the switch is closed for a long time, what is the 10.0 V, R1 = 4.00 N , and R2 = 1.00 N. The current through the inductor. Give vour answer in A. R1 S E R2 L
EXAMPLE + 5V – 0.1uF At the instant the switch makes a contact with terminal a, the voltage across the capacitor is 5V. The 10V b 6V 100k2 switch remains at a for 9 ms then moves to terminal b. How many milliseconds after making contact with terminal a does the opamp 8V -6V saturate?
Here you see a circuit with a battery, fully uncharged capacitor, C and a bulb. What would happen to that electric bulb in the circuit when you switch on the circuit? Moreover, what would be the consequences if you switch off the circuit when capacitor is fully charged? Answer step by step .answer must be correct. Do all calculation follow image.
In the figure ɛ = 10.0 V, R1 = 4.00 N, and R2 = 1.00 N. The inductor is ideal. If the switch is closed for a long time, what is the current through the inductor. Give your answer in A. Şekildeki devrede ɛ = 10.0 V, R1 = 4.00 N , ve R2 = 1.00 N olarak verilmişlerdir. Solenoidin iç direnci yoktur. Anahtar kapatıldıktan çok uzun süre sonra solenoidden geçen akım A cinsinden nedir. R1 R2 L E Yanıtınız
The circuit in the figure below contains two resistors, R1 = 4.00kΩ and R2 = 5.00kΩ, and two capacitors, C1 = 4.00uF and C2 = 5.00uF, connected to a battery with emf E = 120V. If no charges exist on the capacitors before switch S is closed, determine the charge q1 on capacitor C1 1.00ms after the switch is closed. Determine the charge q2 on capacitor C2 1.00ms after the switch is closed.
For the circuit shown in figure below, the switch has been opened for a long time and then at t=0 the switch closed. Find the transient current equation in the 1 K ohm resistor. * F0 1ΚΩ 30mA Li(t) 1 ) 1ΚΩ 0.25mF IKQ ΚΩ 2K2