Rlc circuit Definition and 309 Threads

Designing a circuit from a given transfer function. I hope you don't mind that I haven't used the default format. It doesn't lend itself well to my problem. The original problem is as follows: We were given a 'black box' that contained a passive circuit and we experimentally determined a...

Homework Statement My book defines the equation for energy of an RLC circuit to be E = 1/2 L I^2 + 1/2 Q^2/C In series the Quality factor is (L/C)^1/2/R My question is will these equations hold for an RLC circuit that is parallel. I.E. the Resistor is in parallel with the Inductor which is...

[b]1. The switch in the circuit shown in Figure has been closed for a long time before t = 0 but opened at t = 0. Solve for i(t) for t ≥ 0. *Hereby I attached the circuit diagram for the question above. And this is where I got so far. (6ohm+6ohm)=12ohm alpha=R/2L = 4 Neper. But then I...

I need to find the resonant frequency of the circuit shown in the diagram. http://img216.imageshack.us/img216/1750/gdmn.jpg The loop has a value of 1H, the capacitor has a value of 0.2F and the resistor has a value of 10 ohm. My initial approach has been to try and find the total...

Homework Statement ^^I'm sort of lost as to how to approach this question. Should i just find the voltage at node A? Then at B? But what confuses me the most are these time values we need to take into account. So what would be the best way to approach this question? Thanks.

hi, i wanted a simple explanation of a series rlc circuit in a radio as i know the rlc circuit consists of resistor,inductor,capacitor i know the function of each of them but what i don't understand is how by combinig them we can make a radio tuner!? i searched many websites but i can't find a...

hello! I was in the lab doing the experiment of resonance frequency by plotting the graph of current vs frequency for a parallel RLC circuit. In this experiment i have also to find the Q factor and the bandwidth. The resonance frequency corresponds to the frequency with minimum intensity. Now...

Homework Statement Find the voltage across each component is an overdamped RLC circuit. The circuit is powered by a square wave of peak voltage 2 V. The square wave is used to model a DC source. Homework Equations Vs(0)=-2 (Everywhere else in the transient response, Vs=2)...

Homework Statement Analyze a series RLC circuit and determine the voltage across each element due to the transient response. The circuit is powered by a square wave voltage source with a peak-to-peak voltage of 4V and frequency of 1kHz. R=50 kohms L=33mH C=1 nF Homework Equations...

1. (See attachment) Q1 a, Determine I1,I2and I3 after 5 time constants b, when the switch is first closed ie t=0 c,when the switch re opens 2. I total=I1-(i1+I2) i=I[1-e --RL/L 3. i havnt practiced any circuits with resitance in series and parallel just looking for a way...

Homework Statement How do one calculate the power in time of RLC circuit in parallel combination running an AC current ? It has to be in terms of frequency (\omega = 2 \pi f ) Homework Equations \omega = 1/ \sqrt{LC} The Attempt at a Solution I started off with the omega but...

Homework Statement The Attempt at a Solution Ok, first part, no problem, second part (steady state), solved in another thread. Both are pretty tedious, but doable. However, I am quite stumped by the third part of this problem (V = V_o sin wt) . The second part of the problem...

Homework Statement A 10 μF capacitor and a 25 H inductor are connected in series with a 60 Hz source whose rms output is 112 V. Find the voltage drop across the inductor. Answer in units of V. Note: Sigfigs do not matter Homework Equations I = V/Z where Z is the impedence XL =...

1. if a impedance at 192 ,phase angle -75, resistor 49.7, wat missing in this circuit? A inductor or capacitor? Can it be a inductor?

Using the following o.d.e L\frac{d^2i}{dt^2}+R\frac{di}{dt}+\frac{1}{C}i=\frac{d}{dt}E(t) The following problem has several parts all of which I have solved except for the one below. L=1/20 R=5 C=4.10^{-4} \frac{dE}{dt}=200\cos100t Where L is an inductance in henries, R is a...

Second Order RLC CIrcuit? Homework Statement for this figure, vin(t) = -250u(-t) + 750U(t) mV, R = 0.5 ohms, L = 1 H, C = 0.01 F. Find zero-input, zero state, and complete response of both Vc(t) and IL(t) for t>0. Homework Equations ? The Attempt at a Solution I found the iL...

Homework Statement An L-R-C series circuit is constructed using a 175{ \Omega} resistor, a 12.5 muF capacitor, and an 8.00-mH inductor, all connected across an ac source having a variable frequency and a voltage amplitude of 25.0 V. At the angular frequency in part A, find the potential...

Homework Statement There is no real problem, so I'll just make up a arbitrary one. A series RLC circuit with a voltage source x(t), but say there is a resistor in parallel with the capacitor, followed by an inductor in parallel with that resistor. Just assume all the values of the inductors...

i m trying to design RLC series circuit on Pspice and parctically showing Under , Over and , Critical response i have capacitor of 1uF an inductor of 150uH and resistor ( can choose any) but for these responses 10,40,20 ohms respectivly but the graph is not coming as it should be like it is...

This is more of a math question but i feel like i will get more help among Electrical Engineers. I successfully found the step response of an RC circuit in the time domain using Laplace Transforms. But i can't seem to figure out how to do it with an RLC transfer function. I have the following...

Homework Statement A RLC circuit has a resonance frequency of 6 KHz. When it is driven by a 8 KHz ac generator, it has an impedance of 1 k W. What are R, L and C in the circuit? Homework Equations The Attempt at a Solution the equation for the resonant frequency will be...

Homework Statement An alternating source drives a series RLC circuit with an emf amplitude of 6.00 V, at a phase angle of +30.0 degrees. When the potential difference across the capacitor reaches its maximum positive value of +5.00 V, what is the potential difference across the inductor...

Homework Statement The figure below shows the time variation of the current through an electrical heater when it is plugged into a 240 V, 50 Hz outlet. 1) What is the peak voltage? 2) What is the rms value of the current drawn by the heater? 3) What is the resistance of the heater...

Hey all, I'm a new member, so nice to meet you all! Homework Statement I'm currently in the process for deriving the Transfer Function H(s) and H(jw) (w read as omega for angular frequency) for http://www.ebfreedom.com/fwajx/cDiag.jpg" I have taken several approaches but have not been...

Homework Statement It is in the attachment. NOTE: I supposed I did a little mistake when I drew the circuit with PSpice. The closed switch should look like .---->. instead of having that 45 angle. I don't know if it matters or not, so yea.. Homework Equations Rp = (R1 * R2)/ (R1 +...

Homework Statement A 5 Micro-F Capacitor, a 65mH Inductor, and a 10 Ohm resistor are connected in series Find the resonant frequency of this circuit. Determine the peak current at resonance, if the peak voltage is 100V Homework Equations Fr = (1/2Pi) Square Root(1/LC) I don't know...

Homework Statement A 21.0 \mu F capacitor is charged by a 160.0-{\rm V} power supply, then disconnected from the power and connected in series with a 0.220-{\rm mH} inductor. Calculate the energy stored in the capacitor at time t = 0{\rm{ ms}} (the moment of connection with the inductor)...

Homework Statement Purcell 8.4: In the resonant circuit of the figure(I'll reproduce the image below) the dissipative element is a resistor R' connected in parallel, rather than in series, with the LC combination. Work out the equation analogous to Eq 2. (d^2V/dt^2 + (R/L)(dV/dt) + (1/LC)V = 0...

Homework Statement I'm having some problems solving this RLC circuit, if anyone could help. R = 2 ohms C = 2/3 F L = 1/2 H The top picture is when t < 0 The bottom picture is when t > 0 Find v_o(t) (notice V_0 is the defined +- voltage over the resistor)...

[SOLVED] Overdamped RLC circuit Homework Statement In a parallel RLC circuit determine i_R(t). R = 20 mohms L = 2mH C = 50 mF v(0+) = 0 (capacitor) i(0-) = 2mA (inductor)My question is what is i_R(0^+)? According to my final answer, it should be 0. However, went I graph it with PSPICE, it...

RLC Circuit problem. Please Help! Homework Statement In the figure, what is the current supplied by the emf when the frequency is very small? What is the current supplied by the emf when the frequency is very large? Homework EquationsI am not sure but: wo=1/sqrt(LC) Vr=IR Vl=IXl Vc=IXc

Homework Statement In the circuit below, find the resonant frequency (\omega_0) and Z_{IN}\left(\omega_0\right). http://img143.imageshack.us/img143/9845/problem1444dx4.jpg Homework Equations \omega_0\,=\,\frac{1}{\sqrt{LC}} The Attempt at a Solution The resonant frequency is easy to find...

I need some help deriving the quality factor in an rcl circuit Q=Lw(sub 0)/R. So far I know that Q=w(sub 0)/delta but my professor used this formula to continue the derivation delta w=R/L and I don't know where it comes from. Can anyone give me a hint?

Hi everyone, Srry to post a different homework question in your thread here, but tried to start a new topic/thread but for some reason, the system is not letting me. Here is my question: It's the last m/c question out of 30 that I am doing tonight, and I'm having a bit of trouble...

I've been working on this problem to review (see the attachments), and my circuit analysis skills are quite rusty. I've determined that the circuit should be underdamped, and it will have a step response. Based on this, I'm using the equation V0(t)=Vf+B1e^(αt)cos(ωdt)+B2e^(ω0t)sin(ωdt). As you...

I have an RLC Circuit. I've changed the resistors 3 times to give me a case of overdamping, underdamping, and critical damping. In taking my data (this was a long long time ago) I apparently missed taking measurements of current. I'm trying to solve the three differential equations to make a...

I have an RLC Circuit. I've changed the resistors 3 times to give me a case of overdamping, underdamping, and critical damping. In taking my data (this was a long long time ago) I apparently missed taking measurements of current. I'm trying to solve the three differential equations to make a...

Please help me to solve this RLC circuit problem. I am completely confused.If you give me the direct answer it would be much appreciated. For the series RLC circuit in Figure, find the input/output difference equation for 1. y(t)=v_{R} 2. Y(t)=i(t) 3. y(t)=v_{L} 4. y(t)=v_{C} I...

Hello, I've been reviewing some material from my undergraduate studies. In the book "Signals and Systems" by Haykin in the first chapter he gives an example of a voltage source with the value of Vo*delta(t) applied to a series RLC circuit. Vo is some arbitrary constant and delta(t) is the...

I have been having a difficult time understanding how to determine the input/output difference equations of a circuit. I believe I am good on series circuits but would like some feedback on Series/parallel determinations. Please look at included file and see if I am on the correct path.

Question: A parallel RLC circuit, which is driven by a variable frequency 10-A source, has the following parameters: R=500\Omega L=0.5mH C=20\muF Find the resonant frequency, the Q , the average power dissipated at resonant frequency, the BW , and the average power dissipated at the...

When a non-driven RLC circuit discharges you have several possibilities: underdamped, critical & overdamped. The general solution of the differential equation is Q(t) = A*exp(L1*t)+B*exp(L2*t) with L1 and L2 roots of the characteristic polynom being (-R+sqrt(R^2-4*L/C))/(2*L) and...

i have a question where s1,2=(-4 (+-) j3) 10^3 are roots of a second order D.E of a series RLC ckt where s1,2=(-z (+-) (z^2 -1) (z is zeta) now from s1,2=(-4 (+-) j3) 10^3 ,its showing roots of underdamped ckt(complex nd conjugate) but when i solve eq. z gives 2 values(but z must be...

Hi, How can you prove that, in a damped RLC circuit, the logarithmic decrement equals the period times the damping factor: \delta=T\zeta (I'm using \delta=\ln\frac{x(t_n)}{x(t_n+T)}\quad \zeta=\frac{R}{2L} ) Thanks in advance!

HI, I don't really get this problem. Can I have some suggestion please? The 3-mF capacitor of an RLC circuit is initially charged to 30 micronC. The 1.5-mH inductor has a very small resistance.At particular instant, after 100 oscillations, the current through the inductor is zero while the...

Hello, I've got to prepare for a practical session and need some help with a problem: how (by what experiments) can you prove that the damping of a series RLC circuit depends on the value of the resistance (without basing oneself on any knowledge of the damping factor \zeta=\frac{R}{2L})...

Hey, I have a problem with an RLC circuit. It consists of a resistor in series, followed by another resistor, capacitor, and inducer, all in parallel. The question is asking for what frequency (its an AC circuit), is the current through the inducer the same as the resistor (the one in...

Alright, here I come again for help! In a series R, L, C circuit, the values of the passive elements are R=5ohm, L=1H, and C=10uF. The output voltage is taken across R, and te input voltage signal is of variable frequency. Using Electronics Workbench, obtain a plot of V0(t) as a frequency f...

1. A RLC circuit is used in a radio to tune into an FM broadcasting station at 99.7 Mhz. The resistance in the circuit is 12.0 ohm, and the inductance is 1.40 uH (micro Henry) what capacitance should be used? this question is tricky what i tried to do is used XC=1/wC where C is capacitance...

physics problems concerninginductance and rlc circuit -------------------------------------------------------------------------------- 1. "The resistance of a superconductor." In an experiment carried out by S. C. Collins between 1955 and 1958, a current was maintained in a...