Parallel Definition and 1000 Threads

Hi there guys. Homework Statement I am trying to solve a circuit that has a constant voltage source (V) in series with an inductor (L), then that inductor is connected to a resistor (R) in parallel with a capacitor (C). Homework Equations ------- The Attempt at a Solution...

Homework Statement Hi I am looking at four parallel wires of finite length L, whose currents run in the directions shown in the attached figure. There is no gradient along the wire-axis, so from Maxwell's equation \frac{dB_x}{dx} = -\frac{dB_y}{dy} \equiv \tilde B. In order to find an...

Homework Statement Ok so I don't actually need help to solve the problem and find the currents and voltages for each resistors, that is done and quite easy for me. What I don't understand for this specific problem is why everything in the solution is inverse. For example: R1 and R2, my...

Homework Statement Two long parallel wires are a center-to-center distance of 4.90 cm apart and carry equal anti-parallel currents of 3.70 A. Find the magnetic field intensity at the point P which is equidistant from the wires. (R = 10.00 cm)...

Homework Statement 1. A 2*10^-6C charged object is .40m left of an another 2*10^-6C charged object, with a 3*10^-6C charged object .40m to the right of the centre object, creating three charged objects in a line. Calculate the magnitude of the net electric force on the centre charge due to...

Homework Statement http://puu.sh/1faG5 Homework Equations The Attempt at a Solution http://puu.sh/1faFD I labelled the nodes ^^. I redrew the circuit based on the nodes, I ignored the 10 ohm resistor because it short circuits. (Note: I drew the series resistors in reverse order, 80 ohms...

Homework Statement An electron beam enters the region between two oppositely charged parallel plates near the negatively charged plate, as shown below. The plates are 0.150m long and are 0.040m apart. There is an electrical potential difference of 60.0V across the two plates which creates an...

Homework Statement In lab, we were instructed to create a circuit that uses nichrome wires and identical bulbs to measure the obstacle caused by an object. To do this, we slid the alligator clip along the nichrome wire until the 2 bulbs in parallel are the same brightness. The object that we...

I'm not sure if this is the right forum. I'm actually trying to solve this for a computer program given shape A and shape B i'd like to rotate shape A so a given face is parallel to the nearest face of shape B http://postimage.org/image/shb6kyv6d/ attached image but i can't see it...

Homework Statement Homework Equations Anyone Know why If an ideal voltage source and an ideal current source are connected in parallel, then the combination has exactly the same properties as a voltage source alone? and If an ideal voltage source and an ideal current source are...

Homework Statement What value of c will make these two vectors parallel? Homework Equations 3i + 2j + 9k = w 5i - j + ck = v The Attempt at a Solution I tried too find a common factor to multiply by the w vector to get the components of the v vector, but no luck. 3i...

Homework Statement Consider a plane with the outer normal unit vector of (1/√2, -1√2, 0). There is a force of (2,1,5) acting on the surface. What is the component of force normal and parallel to the plane? What is the maximum parallel component to the plane? I would like to check my answers...

This circuit is really confusing me. I'm trying to find i using KVL and KCL. What's throwing me off is the short circuit effectively created by the inductor. I know that the whole circuit can't be short circuited because there is a current source that is preventing all of i from going through...

I'm listening to Prof. Leonard Susskind's lectures on GR on youtube.com at http://www.youtube.com/watch?v=hbmf0bB38h0&feature=relmfu He's trying to explain how to visualize parallel transport of a vector. But I'm having a hard time of it. I think I understand it. Let me know if I got it...

Hi guys, this is more of a conceptual question, so I hope you guys can give me a detailed explanation if possible. Homework Statement Find the Electric Field inside a Charged Sphere (charge only on the surface) and between two Parallel Plates (oppositely charged) separated by some distance d...

In ℝ^{3}, how would I go about proving that two planes are parallel, given their equations? I know what the "word" parallel means, in the sense that two planes are always equidistant from one another, so that they must either never intersect, or that they must intersect at every point on their...

Positronium annihilation opportunities are strongly restricted by the requirement to conserve spin. The spin of a photon is 1; and for some reasons two photons are completely unable to have spins in different directions. They can only have parallel spins (total 2) or antiparallel spins (total 0)...

I am working independently from the book Precalculus Mathematics in a Nutshell by George F. Simmons. Although the book is fairly small, many of the problems are quite challenging, at least for me. I am stuck on this problem: "The height of a cone is h. A plane parallel to the base intersects...

Homework Statement Given: The power absorbed by the 15 ohm resistor is 15 W. Find R. http://sphotos-a.xx.fbcdn.net/hphotos-snc7/384382_495043340515186_1992745410_n.jpg Homework Equations parallel circuit for 2 resistor: Req =R1R2/ R1+R2 Voltage Division Rule: for series circuit VR2 =...

Homework Statement This is an EM waves class, but we are given the following problem, which seems deceptively simple. I'd like some feedback to see if this is done correctly. Homework Equations Consider a parallel plate capacitor connected with a resistor with resistance R, as shown in the...

Homework Statement if I have something looks like the photo attach, could I say that R2 and R4 are in series? It asks to compute the current through the R2 branch, but I am curious about these two resistors are in series or not. Homework Equations definition of series and parallel...

Homework Statement Given: AB \coprod CD ; \angleA \cong \angleC Proof: AD \coprod BCHomework Equations Idk how to necessary finish it...The Attempt at a Solution Statement -------------- Proof 1. AB \coprod CD ; \angleA \cong \angleC ----------- 1. Given 2. I say \angleA is supp. \angleD and...

Homework Statement If a parallel plate capacitor is charged with charge Q and -Q on its plates, respectively, and then isolated, then we place a dielectric into the space between the plates, does the charge on the plates decrease, or stay the same.Homework Equations U=(QV)/2The Attempt at a...

Homework Statement I have the following parallel RC circuit. At time T = 0, the switch will close and the circuit will be connected. We assume that prior to T = 0, the circuit was at a steady-state. I want to calculate VL(t) -- but I am being told that this is not possible for this...

Homework Statement A circuit is constructed with five resistors and a battery as shown. The battery voltage is V = 12.0 V. The values for the resistors are: R1 = 76.0 Ω, R2 = 149.0 Ω, R3 = 169.0 Ω, and R4 = 121.0 Ω. The value for RX is unknown, but it is known that I4, the current that flows...

Why don't magnetic fields not force to charges/currents that are moving parallel to the field? Does it have something to do with the orientation of the field created by the moving charge in relation to the field it is in? I know the answer of this question may not be clear yet, but are...

Homework Statement The two lines are in symmetric equations. L1 is (x-1)/2=(y+1)/3=-z. L2 is (x+1)/2=(y-1)/3=3-z. Find the equation of the plane containing the lines. The point on L1 is (1,-1,0) with slope of (2,3,-1) The point on L2 is (-1,1,3) with slope of (2,3,-1) Homework Equations...

Homework Statement Find the sum value of capacitors. Homework Equations The Attempt at a Solution I tried to redraw the scheme like in the picture below, but my teacher told me it's not correctly redrawn. I hope You'll prove to me that my redrawn scheme is correct... If not I'm more than...

Homework Statement Use Kirchoff's rules to determine I1, I2 and I3 for the following circuit: Use the following values:ε = emf = 9 V r = internal resistance = 1.5 R1 = 5 R2 = 15 R3 = 13.75 Homework Equations The Attempt at a Solution I found I1 to be .9328 by adding all the...

I search information about how to design and build a four axis parallel robotic arm like there is in the picture that I added.

Homework Statement Find R_AB in the network. Look at attached file "Problem"Homework Equations R_S= R1+R2+R3+...Rn (for series resistors) 1/RP= 1/R1 + 1/R2 + 1/R3 + 1/Rn... (for parallel resistors) V=IR (ohm's law)The Attempt at a Solution Look at attached file "Problem Attempt" I know I'm...

In the following circuit, a) identify all combinations of 2 or more circuit elements that are connected in series and b) Identify pairs of circuit elements that are connected in parallel. http://imgur.com/keorO a) Seems easy enough, the 4 and 6 ohm resistors are in series, and so are the 5...

This is a general question. I'm having a hard time distinguishing complicated series and parrallel circuits. For example, in the picture, how do you simplify the circuit?

Homework Statement Find the equation of the plane parallel to 2x - y + 2z = 4 if the point P = (3,2,-1) is equidistant from both planes. Homework Equations a(x-x0) + b(y-y0) + c(z-z0) = 0 The Attempt at a Solution I found the normal vector to the given plane first, as this is quite easy...

What would happen if this circuit was implemented practically with batteries? This circuit makes no logic to me because how can the same node be at two different electric potentials?. But i tried thinking about it and here's my 'naive' explanation: The 12V battery will start supplying a...

Hi, For a school project I have created a system which applies an equal force to 4 objects of measurable friction. Each yields a frictional force of approx. 3N (calculated from F = μFNormal) when in motion - but I am not quite sure as to calculating the total frictional force the combined set...

I am a physicist trying to understand the notion of holonomy in principal bundles. I am reading about the horizontal lift of a curve in the base manifold of a principal bundle (or just fiber bundle) to the total space and would like to relate it to the "classic" parallel transport one comes...

Homework Statement I need to find the total impedance in a circuit that has: j60 ohms, 30 ohms, -j60 ohms and 20 ohms in parallel Homework Equations Ztotal=1/(Z1+ Z2+ Zn) The Attempt at a Solution I've tried doing this, but what I think is the -j60 and the j60 should cancel...

This doubt is nagging in my mind for couple of days,and its makes the rest of the things so dizzy and confusing.Heres what i thought- What is the electric field at a point inside a parallel plate capacitor? I thought of this-When i place a guassian surface of ,well maybe any...

I am working with RTGs right now. I want to hook two of them up in parallel to charge a battery. Basically, the setup I had planned is like this: http://img339.imageshack.us/img339/9549/rtgparallel.png I am trying to determine the power, current and voltage that would be given to the...

Hey I came across this question in my textbook and the answer provided just does't make sense. A circuit consists of a battery and 4 identical resistors in parallel. The current in each resistor is 12 A. If one of the resistors burns out, what will be the current in each of the remaining 3...

I am struggling with a problem which involves the calculation of the nonuniform electric field fields between two identical parallel plates in which one of the plates is slightly displaced in lateral direction with respect to the other plate (i.e. they do not overlap perfectly). The gap between...

Homework Statement A uniform solid sphere has a moment of inertia I about an axis tangent to its surface. What is the moment of inertia of this sphere about an axis through its center? Homework Equations Ip = Icm + Md2 Isolid sphere = 2/5MR^2 The Attempt at a Solution This is...

an independent source with a forcing function modeled by cos(500t) is in series with an 100 ohm resistor. A dependent (current controlled) source is placed across the remaining resistor terminal and ground. A 0.3mH inductor is in parallel with the dependent source. The value of the dependent...

OK, I was thinking about transformers and mutual induction and then drifted onto displacement current. I then decided to build a simple test apparatus and test for the magnetic field between two parallel plates. using a variety of coil designs to have as much of the windings perpendicular to the...

why does space time not contract uniformly in every direction around a fast moving object?

Homework Statement Two long parallel wires each carry a current of 5.0A directed to the east. The two wires are separated by 8c.m. What is the magnitude of the magnetic field at the point that is 5.0 cm from each of the wires.Homework Equations B= \frac{μI}{2∏R}The Attempt at a Solution I know...

Homework Statement An infinitely long straight wire of radius a = 0.01m carries a total current I = 1A uniformly distributed over the area of the wire. An electron with instantaneous velocity (at time t ) v = 1000ms directed parallel to the wire (in the same direction as I ) is r = 0.1m...

the given is 3mF is parallel to 11mF and 9mF in series connection and it is also parallel to 12mf and 6mf series connection my answer to this is 1.17*10^-5 is this correct

Hey all, I was working out of my textbook over the summer preparing for Calculus III, and I have a question about finding the distance between two parallel planes. I believe that I understand how the equation given works: D= \frac{| ax_{o} + by_{o} + cz_{o} + d |}{\sqrt{a^{2} + b^{2} +...