Network Definition and 464 Threads

Homework Statement Show that the equivalent resistance is Req = 1/2 [(4RtRl + Rt^2)^(.5) + Rt] http://img74.imageshack.us/img74/5905/pingib2.png Homework Equations The Attempt at a Solution So far all I can get is Req = Rt + Rl Rt/(Rt+Rl) from the first three resistors starting from the...

My laptop has an integrated Intel gigabit network adapter. I get internet from a cable modem through a CAT5 shielded cable. The problem is that sometimes the connection drops and the computer freezes, and after a few moments the "network cable is unplugged" icon appears. Then I press...

find resistance between A & B :bugeye: I'm sure it's not 1 ohm but i don't know how to solve http://www.pantip.com/cafe/wahkor/topic/X5389102/X5389102-1.jpg

Hi! http://www.phys.uAlberta.ca/~gingrich/phys395/notes/node71.html" 's an electrical network for a diode OR gate. It says there that "[t]he 12 V battery does nothing until the power fails; then it takes over without interruption." I just wonder what electrical circuits (closed loops) are...

I got a difficulty in my final year project.It is made on steganography.But I don't understand how to provide network security during data transfer..though we know it theoretically bt dealing it practically is a bit problamatic..In it we are using image file as carrier file ..i need some...

I have a small network at home (with all machines running Windows XP and norton internet security). One machine is connected to the internet and shares the connection with the rest. I find it odd that all machines have a decent speed when accessing the web, except the one that serves the...

Homework Statement I have a question that's stumped me for a bit. Suppose we have a peer-to-peer network that's used to store replicas of files (such as p2p networks do) that are replicated randomly. And suppose we have the following: peer 1 has files 1, 3, 5 peer 2 has files 2, 4, 5...

Hi, I have this problem Homework Statement In telephone network, an average number of failures during a month for one telephone owner is 8. What is the probability that some telephone owner will experience more than 4 failures? The Attempt at a Solution I have no idea what...

Is there a simple (meaning, memorable and not just a lot of crunching through probability formulas) proof that a variable is independent of the other variables in the network, given its Markov blanket?

Hi all, I'm stuck on this part of a problem. I have gotten the net impedance between two terminals A and B. The impedance I got was Z=8.39+2.22i Now the question is... The network is equivalent a to a resistor and an energy storage element connected in parallel. Find their values. I...

I can't seem to get my two computers to see each other on my network. Both computers have direct access to the intenet via a Linksys Access Point / router and DSL. I'm at Add Network Place Wizard and I know the name of the target computer (VIRGINIA) and a shared folder (temp) on it. When I...

spin network heuristic for pre-quantum picture this is about Smolin's two most recent http://arxiv.org/abs/hep-th/0605052 Generic predictions of quantum theories of gravity Lee Smolin For inclusion in "Approaches to Quantum Gravity - toward a new understanding of space, time, and matter"...

this isn't so much of a homework question . I am having trouble with identifying and calcultaing effective resistence for parallel or series connected resistors particularly ones that are very complex to even understand what's going on ... I did look through various websites and books looking...

Hi everyone, After recently moving from my workplace to work remotely using a laptop back in blighty, I found my work-borrowed laptop is part of a network domain. This prevents me from using the network wizard to setup a new connection to the internet through my wireless network at home...

Hi all, I am new to this group and joined after reading this interesting discussion. In extention th the David, I've one doubt to find the voltage between two capa. Suppose a capa network is like Vsupply(1V)-C1-C2-gnd; Let say Vx is the between node name. Vx1=C1/(C1+C2)*1v =0.5v if C1=C2; Now...

I've forgotten the word for a process I'm trying to remember. This process is the named after the person who suggested it (iirc) and it's used to determine the structure of and processing within a network (anything, jumbled up wires etc). Determination is performed by observing what data is...

I have a simple wireless network set-up at home. I have a PC connected to a printer and various other peripherals and a laptop. Both machines are connected wireless to a router which in turn is connected to the Internet. Both systems are running Win XP Home SP2. I want to be able to access...

Just today I purchased a new laptop computer with built-in wireless networking. I used this as an opportunity to start my wireless network by also buying a wireless router. After setting this all up using a wired connection, I started to search for available wireless networks. My computer...

I'm not sure what I'm doing wrong here, as my answer does not match up with the books. Sorry about the scan, it looks kinda bad. ! I made a mistake writing the books answer down. It should be: \bar G_v(j \omega ) = \frac{j \omega C (R_1+R_2)+1}{j \omega R_1 +1} Any help would be...

I was wondering if there is a schematic or if anyone knows of a way to delay the send and/or the receive of a network cable. Preferable separate circuits. For example can I control how fast people on my network receive but not control the send. May be in the wrong place but i really need help...

network circuit design? I was wondering if there is a schematic or if anyone knows of a way to delay the send and/or the receive of a network cable. Preferable separate circuits. For example can I control how fast people on my network receive but not control the send. May be in the wrong...

does anyone know a site that offers a proof for the capacitance of a delta network? just curious 93157

I have 2 computers connected by a local area network using a router. computer A is physically connected to a printer. computer B is not. Is it possible to print from computer B if computer A is powered off? Thank you.

a zobel network consisting of a capacitor C and resistance Rc is connected in parallel to a speaker of inductance L and resistance Rl.show that frequency at resonance =1/2pi*Sq rt 1/LC(Rlsquare-L/C ÷ Rc square-L/C) i have begun by equating the reactive components of the branch currents...

I live in an apartment building where one router is used and every apartment room has its ethernet connection. I'm trying to set up my wireless router in my room. The default ip of the router just has to be different than the other router correct? Can they have the same subnet mask?

I continue to have troubles with my residential DSL service. Occasionally (on the order of every half hour or more), my service will just stop working for a minute or so. (Gee, that doesn't sound like a big deal, but really, it makes me want to toss my computer out the window). I'd like to...

Would you ever be writing network code as a computational physicist?

Recently there has been a lot of controvesy about network neutrality, that telecommunications companies are planning a multi tiered internet in which some data are prioritised and maybe even blocking certain data. What are your thoughts and opinions on the subject.Ive been looking it up...

Can someone tell me where I'm going wrong here? I'm uploading a jpeg of the circuit, I'm supposed to find the equivalent resistance between A and B. To me, it looks like R5 and R6 are in parallel and forming Rp56. From there I'm assuming that Rp56 would be in parallel with R3 and then that...

I recently bought a belkin 54Mbps/wireless (g) router. i also bought the accompanying wireless pci cards for my two computers. one computer runs windows xp pro and the other runs windows xp home, and a third computer runs windows 98 SE and is connected with ehternet. my problems are with the...

I just set up a 10baseT LAN between 2 pcs with an ethernet crossover cable. It operates at 10Mbps, half duplex. I know the ethernet card in this pc supports 100baseTX, and I'm pretty sure the NIC in the other pc does as well. I'd like to set them to 100baseTX and full duplex to try to get a...

I attend an Alternative school, which is a computer based curriculum. There have been several times where I was messing with their network in miscilanious ways :smile: I have been supspended, and even temporary transferred to another school for my activities. But everyone seems sympathetic...

Could someone be so kind as to assist me in solving the following problem? I have had some basic knowledge of how the effect of multiple resistors add up in parallel in and in series, but I'm pretty much lost on how to solve this problem. Consider an infinite network of resistors of...

Most of you have probably all heard of the max-flow min-cut theorem in graph theory. It says that in a network G=(V,A), the value of a maximum flow equals the capacity of a minimum cut. Then there is the Ford and Fulkerson algorithm to find a maximum flow in a network. For the ones that don't...

Can someone direct me to a tutorial for solving network nodal voltages. Also need to learn how to convert voltage source to a current source.

Does anyone here remember talk a few years ago about setting up a network to connect television satallite dishes to be used for astronomy? the theory was use the dishes overnight when most people are not watching. It could provide a large view and perspective with a surface area surpassing...

Will traditional television network (CBS, ABC and NBC) news survive the near-simultaneous retirements of their accustomed anchors and the continued restructuring of the information industry?

I found a security story that is similar to "The Cuckoo's Egg" by Clifford Stoll, but involves a DDOS attack. It is somewhat long, but definitely a good read. http://www.csoonline.com/read/050105/extortion.html

I'm currently writing up a physics practical which looked at the resonance of the impedance of an LCR network. I'm trying to look for theoretical information on the internet, but am struggling to find relevant information. The LCR circuit I used had the inductor and resistor in series, then...

I just turned on my computer and a lot of things a screwed up. For one thing its not recogizing the network or even getting internet acess. Which is weird because our cable is working... I am connected now through my laptop. Also I have dual monitor however currently only one monitor is working...

I am not a huge music junkie, so I do not need one of those 40gb Ipods, but I do want something that is nice and can hold quite a few songs (512mb+). I know many of you probably have an http://www.apple.com/ipodmini/ Any complaints/comments/recommendations from either of these two, or even...

This is the first time I'm trying to set up a Network, I'm using Windows XP on both this one and the Wireless Laptop (yes I know Microsoft is a pain) but I can't do it. Anyone want to help? This is what I have so far, I set up a network with the wizard on the main computer, gave the workgroup...

Would anyone like to suggest some books on Network Security? I read Hacking Exposed a while ago. Also, what is the most common language used for utilizing windows exploits? Linux exploits? What is your favourite Linux distribution?

Sorry for such a basic question, but I'm having trouble grasping the idea of why the Thevenin equivalent of a network (as seen from two terminals) almost always has a Norton equivalent in the form in which it has been defined. More specifically, I've been trying to work out from staring at the...

AAAAAAHHHH! :mad: The aogony of network firewalls, It took me 5 mins to load up this page on a connection that is supposedly 1M. All because my school finds the need to check every single packet that is sent to and from my computer. Up until a week ago everything was fine because I was...

hello there, I've been given a circuit and I am trying to draw a directed graph for it. i drew it out in microcap: [PLAIN]www.compsoc.nuigalway.ie/~filter/question.gif[/URL] im wondering if the graph is correct. i think for some reason the direction of current for I1 in the graph has to...

Hi all, I was wondering if someone could clarify what the difference is between a spectrum analyzer and a network analyzer. Thanks, Mike

Is anyone interested in the field of network security? Do you specialize in a particular field? Would be interested if anyone has the same passion as me. :redface: I can not wait for summer to come, to give me some time for this hobby.

My network directory file synch batch file thing :) Hey guys I had been looking for a nice cheap easy to use program to sync two of my mp3 directories. This is what I did: Here is my setup: My HTPC .mp3 drive is mapped to my laptops' E drive. I always download my songs onto my computer...

I have connected two machins, both runnig Win XP, without a Hub. The problem is that they don't see each other. Please consider that : 1. The cable is UTP 2. The arrange of wires is : 1-2-3-4-5-6-7-8 3-6-1-4-5-2-7-8 3. Diagnostic lights on both NICs are on. 4. As the indicator in...