Circuits Definition and 1000 Threads

Formula One, abbreviated to F1, is currently the highest class of open-wheeled auto racing defined by the Fédération Internationale de l'Automobile (FIA), motorsport's world governing body. The "formula" in the name refers to a set of rules to which all participants and vehicles must conform. The F1 World Championship season consists of a series of races, known as Grands Prix, usually held on purpose-built circuits, and in a few cases on closed city streets. The results of each race are combined to determine two annual championships, one for drivers (World Drivers' Championship), and one for constructors (World Constructors' Championship).This list is for the circuits that hosted World Championship races from 1950 until now. The terms "Formula One race" and "World Championship race" were not always synonymous throughout history – see Formula One#Distinction between Formula One and World Championship races for a detailed explanation.

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  1. B

    MHB Circuit Diagram: Voltage & Current Calculation at Y & Z

    For the circuit shown below, determine i) The voltage (V) at points Y and Z. ii) The current through each resistor. For (i) do I have to split into series and parallel?
  2. B

    How to Calculate Voltage and Current in a Circuit with a Diagram?

    Homework Statement For the circuit shown below, determine i) The voltage (V) at points Y and Z. ii) The current through each resistor. Homework Equations V=IR, I=V/R, R=V/I The Attempt at a Solution For (i) do I have to split into series and parallel?
  3. D

    Understanding Variable Loads in Circuits: Solutions & Verification

    Homework Statement Question 1: For the circuit below, determine what happens at maximum resistance when varying the 10K (decade box) variable load. Question 2:Explain the answer to the previous question, in terms of voltage compliance of the current source. Question 3:What causes detectable...
  4. Y

    Electrical circuits confirmation

    Homework Statement Hi, I just need some confirmation on this question on whether it is correct or not. Homework Equations P= V^2/R. Based on that circuit I was asked to complete the following table and then find the power of the circuit. The Attempt at a Solution To find power I did the...
  5. dwn

    Engineering What is the critical damping equation for this series RLC circuit with R = 1.5?

    Homework Statement Image Homework Equations Critical damping : e-αt(At + B) R = 1.5 The Attempt at a Solution I'd like to post this before anything else to make sure that I've analyzed the circuit correctly. t < 0: vc(0) = 9V , iL(0) = 9/4 = 2.25A i = e-t/3(At + B) i(0) = B = 2.25A...
  6. J

    Help understanding rc circuits?

    Help understanding rc circuits? so I know the voltage drop must be 8 v through the r1 resistor because of the 12 v charge on the capacitor. 8= r1*i and now I set up another equation 12= r2*i= 15*i and when I solve for the current I get 4/5 a but my textbook lists 3 amps as correct. Can you...
  7. E

    Parallel RLC Circuits - Help please

    Homework Statement I'm working through this question, but on the final part I've hit a brick wall so I'd be grateful for any help please. The tuned circuit has a Q-factor of 1000 and is designed to resonate at 1MHz. At resonance, the supply current I is measured at 15μA for supply...
  8. D

    Can Turing Machines Be Represented by Polynomial-Sized Circuits?

    How do you show that every polynomial-time turing machine has a family of equivalent polynomial-sized circuits?
  9. R

    Engineering Find voltage for circuits with buffer amp

    Homework Statement Homework Equations The Attempt at a Solution I first found Vab which was 10 by using voltage division on the first device. By connecting CD to AB, the equivalent resistor is 80// 20, 16? I am not sure where to go from here.
  10. K

    Solving Circuits: Fig. 27-65 Analysis

    Homework Statement In the circuit of Fig. 27-65, = 1.2 kV, C = 6.5 μF, R1 = R2 = R3 = 0.73 MΩ. With C completely uncharged, switch S is suddenly closed (at t 0). At t = 0, what are (a) current i1 in resistor 1, (b) current i2 in resistor 2, and (c) current i3 in resistor 3? At t = ∞ (that is...
  11. M

    Engineering Solving AC Circuits: Vin, R, L & C Values

    Homework Statement The AC circuit is the following: Vin = 10√2*sinωt V R = 5 Ω L = 5 mH C = 100 µF a) what is Vout when the frequency (f) is 100hZ Homework Equations The Attempt at a Solution After two weeks of spring break in addition to Easter holiday, I'm well...
  12. F

    Two methods for solving Transient Circuits

    Hi! I'm learning about solving transient circuits using the differential method and step-by-step approach and I'm just wondering if there's any advantages or disadvantages to both. Are there any problems which will be easier solved using the step-by-step approach vs differential? Thanks!
  13. P

    Understanding Phasor Analysis in RC Circuits

    I understand that the voltage phasor for a resistor is in phase with the current phasor in a simple ac circuit consisting of only an AC voltage source and the resistor. I understand that the voltage phasor for a capacitor is pi/2 radians behind the current phasor for an AC circuit consisting...
  14. P

    Understanding Phasor Relationships in RC Circuits

    I understand that the voltage phasor for a resistor is in phase with the current phasor in a simple ac circuit consisting of only an AC voltage source and the resistor. I understand that the voltage phasor for a capacitor is pi/2 radians behind the current phasor for an AC circuit consisting...
  15. R

    Engineering Is This the Correct Approach for Solving First-Order Transient Circuits?

    Homework Statement Use the step-by-step method to find vo(t) for t > 0 in the circuit in the figure below. Homework Equations V=IR, KVL, Mesh Analysis, Voltage Division, Solution form of first order equations The Attempt at a Solution Finding the current through the inductor before the...
  16. V

    A couple of questions about RC and RL Circuits

    Question 1: why is the voltage of a capacitor as t goes to infinity equal to the voltage source? This question has been answered. The steady state voltage is not simply equal to the voltage source. Question 2: So that does that mean voltage and current are always 90 degrees out of phase...
  17. D

    Capacitors in Circuits: Is Current Ignored?

    If a capacitor is fully charged in a circuit, am I correct in saying that you can ignore that section of the circuit because no current goes through/leaves it?
  18. V

    Thevenin's Theorem: AC Circuits with Different Frequencies

    My textbook has this excerpt: I am not sure why it refers to Example 10.6 as that is unrelated. I don't understand to be honest. How can you calculate the Thevenin equivalent at different frequencies? Let us say that you have two voltage source: v1(t)=10cos(5t) and v2(t)=10cos(2t). So how...
  19. R

    Solving circuits with superposition (2 problems)

    Homework Statement Screenshots have everything.Homework Equations ##V = iR## Voltage/current division Mesh analysis Adding resistors in parallel/series Kirchhoff's Laws The Attempt at a Solution First problem I started with turning off the current source. You are left with a simple series...
  20. M

    Physics Lab - Electrical Circuits with Resistors and Capacitors

    Homework Statement Hello, I am having trouble with a physics lab report I'm working on. I'm going to try and be as clear as possible. Basically, I'm using different values of R and C in determining tau, the time scale in a circuit's behavior. I used a circuit with a resistor and capacitor and...
  21. M

    Engineering  "Connecting Magnetic Circuits in Series

    Homework Statement Given the attached figure. Draw the missing wires in order to connect the turns in series. Add a battery to get the polarity as shown. Lastly, show the flux and its direction with a dotted line. Homework Equations The Attempt at a Solution I'm not...
  22. K

    Determine potential difference (circuits)

    Homework Statement Va - Vb Homework Equations V = IR Loop rule Node rule The Attempt at a Solution I'm able to find each I value, as well as the direction of current. I'm not sure what to do after that. I know the answer should be 45V, but everything I've tried doesn't lead to that.
  23. kq6up

    Quantum Superconducting Circuits Class?

    I am wondering if this class is senior undergrad level or graduate level. Here is a published PPT from the lectures of this class. http://bit.ly/1izPCIW The material is fascinating. I understand it enough to be intrigued, but I cannot unpack it all. Thanks, Chris Maness
  24. Sneakatone

    Complex Circuits Lab Homework: Find Parallel Resistor

    Homework Statement uploaded is the circuit with resistors technically in series. R1 had a measured value of 160 ohms (from A to B) 0.0617 Amps R2 had a measured value of 387 ohms (from B to C) 0.025 amps from A to C the resistance measured is 243.9 ohms 0.041 amps this means that there is a...
  25. T

    Technique to analyze complex circuits?

    I would like to what is the best way to analyze complex circuit with resistors in series and parallel. I have attached a sample circuit. You can also show it to me with other circuits. Thanks
  26. D

    LaTeX Drawing Circuits for LaTeX - Tool Recommendations

    I need to draw some circuits and importing them into latex. Any recommendations for a good tool?
  27. S

    Confused about Kirchhoff's Laws for RC Circuits - Discharging

    Hi. When trying to derive the equation for voltage across a discharging capacitor in series with a resistor using Kirchhoff's laws, I got stuck. My attempt was that the voltage gain across the capacitor should equal the voltage drop across the resistor, therefore q(t)/C = i(t)*R, or q(t) -...
  28. D

    Ohm's Law & Non-Linear Circuits

    Ohm's law only applies to linear circuits. If most loads in life are non-linear, what use is ohm's law?
  29. A

    Engineering [Circuits] Finding maximum power

    Homework Statement a. Find the Thevenin equivalent circuit across RL. b. What is the value of RL for maximum power? c. Calculate the maximum power that can be transferred to the resistor RL. Homework Equations The Attempt at a Solution a. Rth=2.88 ohm b. RL=2.88 ohm c...
  30. F

    Circuits - Calculating Effectice Resistance

    Sorry for my crude drawings but I thought it was easiest and quickest this way to post the question. Homework Statement Calculate the effective resistance for the circuits below. A. B: Homework Equations R_{series}=\sum\limits_{i=1}^n R_i \\...
  31. KingCrimson

    A little confusion with parallel circuits

    suppose that you have to wires connected in parallel, one double the length of the other now that means that the longer wire has double resistance . according to kirchhof's law , the current going in the two wires is the same as the current coming out , but if one is double the length of the...
  32. D

    Engineering Understanding RL Circuits: High-Pass and Low-Pass Filters

    Circuits -- two RL circuits I have a set of questions that are implanted within the illustrations below two RL circuits. High-Pass and Low-Pass. Did I answer all three questions correctly with both of the illustrations P.S. The Questions are right there at the top of the picture High...
  33. Z

    Principle of Superposition in Circuits

    Homework Statement Assume that V = 4.8V and I = 3.2mA. Find Ix in the figure using the principle of superposition. Homework Equations V=IR Kirchhoff's Current Law Kirchhoff's Voltage Law Total response = ∑responses from each individual source The Attempt at a Solution I believe I'm...
  34. J

    Basic DC Circuits - Kirchoff's Rules Lab questions

    Homework Statement I need to come up with a formula to solve for i2 given the diagram of the circuit attached. I can identify 2 junctions and 3 loops. Homework Equations *The algebraic sum of the currents into any junction is 0. By convention the currents entering the junction are positive...
  35. T

    Boolean Algebra Question (Digital Logic Circuits)

    Homework Statement The Attempt at a Solution Is my solution correct or can I simplify it even further?
  36. S

    Capacitively coupled RLC circuits

    Homework Statement Given a set of two capacitively coupled RLC circuits where each has a capacitor C and they share a coupling capacitor C^{'}. I'm trying to find nice organized material that will explain the various relevant coefficients\concepts like QF, bandwidth etc. in relation to the...
  37. J

    Question on Thevenin Equivelant Circuits

    I am currently attempting to find the Norton Equivelant circuit of a given complex circuit. It only provides a dependent source, no other sources are present. How is it possible a current is even present? With no voltage source, and only a dependent source of current, wouldn't it be impossible...
  38. Z

    Simple Circuits: Calculating Power in a Complex Circuit

    Homework Statement http://imgur.com/PJVmXEc Calculate the power delivered to (or dissipated by) R1 Homework Equations V=IR P=I^2R The Attempt at a Solution I attempted to calculate the equivalence resistance by doing... 2+(2^-1+4^-1+4^-1)^-1 = and I get 3. I later...
  39. F

    Circuits - Calculating resistance/conductance etc

    Homework Statement Source with voltage 4.25mV is ran along a 10cm long cylindrical copper conductor which has a cross sectional radius of 0.8mm. If the current was measured at 5A flowing through the conductor calculate: the resistance and conductance of the conductor and the resistivity and...
  40. E

    Engineering Transfer function for RC and RL circuits

    Homework Statement I just want to understand, how to calculate transfer function. Here is simple example: Homework Equations The Attempt at a Solution But in this circuit I don't understand how to do it. I have to find T and k as it is in preview. Which is the element for...
  41. J

    Resistance & Electrical Circuits

    Hi, I am massively confused with what resistance is and how it applies to circuits and would be very grateful if someone could help. I know this sounds like a basic question but I have been reading for hours and the more I read the less it makes sense. My book says that resistance is 'the...
  42. P

    Understanding Power Drain in Series and Parallel Circuits | MCAT Prep Tips

    Alright, so, is my thinking correct in that: 1. Within a series circuit, a larger resistor will drain more power than a smaller resistor. 2. Within a parallel circuit, a smaller resistor will drain more power than a larger resistor. 3. Between two circuits, each with the same voltage...
  43. D

    Engineering How Do You Approach Nortons and Thevenins Equivalent Circuits?

    Hello, I am dario and have a problem that deals with electrical circuits I have a practice problem for Nortons and Thevenins equivalents, and don't really know how to approach it. I'm confused when it comes to choosing a load, and reducing it into the final simple circuit. Homework...
  44. J

    Is My Comparator Circuit Textbook Explanation Incorrect?

    Homework Statement We have to answer questions from a particular circuit (comparator) in our textbook for homework. The circuit is attached to this thread. I haven't started the questions yet as I don't even understand the circuit! Based on my notes I think my textbook is wrong and would...
  45. J

    Transistor Circuits Homework: Explaining Circuit Action as VA Changes

    Homework Statement Please see circuit diagram attached which I am struggling to understand. The question is: explain in detail the action of the circuit as VA changes from –5.0V to +5.0V. I have looked through my textbook and I can see that when VA reaches +5V the base of the transistor...
  46. I

    Engineering Transients in 1st order RL DC circuits

    The solution states that after the switch is opened the initial current through the inductor is 20 A (in the pink box). I don't understand why its 20A. Surely the current has split at circuit junctions meaning the current arriving at the inductor is less than 20A? Thanks
  47. A

    Engineering [Circuits] Finding the Thevenin and Norton Equivalents #3

    Homework Statement Homework Equations The Attempt at a Solution Attached to this post. I had to take the absolute value of Rth. What did I do wrong to get a negative value for Rth?
  48. A

    Engineering [Circuits] Finding the Thevenin and Norton Equivalents #2

    Homework Statement Homework Equations The Attempt at a Solution Attached to this post. I'm not sure how to proceed.
  49. A

    Engineering [Circuits] Finding the Thevenin and Norton Equivalents

    Homework Statement Homework Equations The Attempt at a Solution Attached to this post. It seems that the answers are wrong but I'm not sure why.
  50. C

    Help with circuits - resistors in parallel and in series

    Homework Statement http://imgur.com/iTHbpTv This picture contains the circuit drawn out, and all the provided numbers. It also includes some of my work. Homework Equations I=V/R P=I*R The Attempt at a Solution So I attempted to reduce it down to one resistor & one battery (26V...
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