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Jan16-12 Greg Bernhardt
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
0 30,317
I came across another good search engine today looking for a datasheet, so I thought I'd try starting this thread for...
Dec3-13 12:53 AM
27 56,551
ansoft, maxwell Sticky Thread Pinned: Maxwell 3D (ANSOFT) ( 1 2 3 ... Last)
Dear all, I'm a new user and I like to exchange information about the use of this tool. From my point of view tool...
Jul5-14 05:32 AM
193 89,615
I've occasionally been asked by some of the students I've mentored or TA'd over the years, "What's in your toolbox? ...
Jul13-14 10:34 PM
63 79,275
Even as a kid, I saw beauty in old devices. That made me want to understand how they worked. I had lots of old...
Jul21-14 12:14 AM
21 5,948
Hello, I haven't learned anything about micro controllers yet but I wanted to get a head start since I hear that...
Jul21-14 08:30 AM
21 7,081
Hi, here are a few newb questions about error sensing - I have a Kepco BOP 20-10M that I have connected to a solar...
Apr15-12 11:56 PM
Aaron William
0 695
Hello, this is my first post. I googled it, and searched the forums, but no luck. I want to know what I need to...
Apr15-12 11:59 PM
5 1,074
Hello, I am an Electrical Engineering Technologist student and we have a design project that i am trying to...
Apr16-12 01:49 AM
jim hardy
1 927
Hi I have taken a very rudimentary course on antenna theory, now i am interested in further deepening my knowledge....
Apr16-12 01:53 AM
3 1,033
Please explain me the working of TRAPATT diodes . I am not getting it from the textbook especially the transit time...
Apr16-12 02:49 AM
0 1,563
iam going to work on real time image detection and recognition can anyone recommend me a good book iam totally new to...
Apr16-12 04:25 AM
0 665
If I was to make a modification to an 8 bit full adder to make it a an eight bit full subtractor would I put an...
Apr16-12 09:45 AM
2 11,728
I know that an AM Amplitude vs. Frequency Spectrum has a central frequency = carrier frequency and two side bands of...
Apr16-12 01:48 PM
4 1,436
Hi, Something is puzzling me with the HVDC work I'm currently working with. I'm working for contracting company...
Apr16-12 02:54 PM
3 1,205
Hi, I see that Boltzmann constant comes in different forms like: k=8.62*10-5 eV/K and also k=1.38*10-23J/K. Which...
Apr16-12 04:16 PM
7 2,723
I am looking at a building with a car park in Sydney. Electrical circuits are run on perforated cable trays at high...
Apr16-12 04:47 PM
0 418
two very large solenoids (tons maybe ) Stacked vertically, very large capacity wire coil w/ iron core. upper solenoid...
Apr17-12 01:40 AM
55 26,413
hi all, i wanna know that how can i determine the size generator fuel storage tank. let suppose i have 3 generator...
Apr17-12 06:14 AM
6 1,880
Ok; so basically, I am creating the game of Nim through gate chips (AND/OR/NOT), switches, and yea all the basics. ...
Apr17-12 10:14 AM
5 1,136
I am trying to build a function generator and I am unsure of how to build a circuit to vary frequency. Would I use a...
Apr17-12 02:01 PM
4 2,213
Let's say we have 2 different conductors - one a round wire, another a round wire but with hollow core. The wire...
Apr17-12 02:56 PM
23 3,635
I have some recessed can lighting fixtures in a commercial application that was using compact 277v fluorescent bulbs...
Apr17-12 05:43 PM
9 1,868
"an electric field is the region of space surrounding electrically charged particles and time-varying magnetic fields"...
Apr17-12 05:44 PM
1 1,057
What would happen if an uplink and downlink had equal frequency. I know 'swamping' would occur, but what IS swamping ?...
Apr17-12 08:14 PM
8 1,840
i have a wien bridge oscillator by using 15V power supply. its output is sine wave. but i have a question. is the...
Apr17-12 08:20 PM
2 802
Can you explain to me how I find the initial magnitude in dB in example 5? I'm used to using the equation 20log(break...
Apr18-12 06:54 AM
0 673
I am having trouble coming up with the equation given to me from ...
Apr18-12 09:41 AM
0 1,646
I'm just curious.. the widely used DCF.. what are they made of? Are they just normal fiber with some physics trickor...
Apr18-12 10:25 AM
0 532
Hello. Here joined is the schematic of a small deflection amplifier. Outputs H0 & H1 are connected to electrodes...
Apr18-12 11:24 AM
6 1,370
I'm studying for an exam and i'm struggling to understand op amps, here's my problem: I understand that for an op amp...
Apr18-12 11:47 AM
6 3,361
Hi, y'all; This will likely be a simply question for most of you, but I am still something of a neophyte (yes, yes,...
Apr18-12 04:54 PM
1 659
Hi im making a project in my spare time and i am getting quite confused with the whole situation. I have 100 LED's...
Apr18-12 07:09 PM
19 2,034
Dear All, When I have a equation 1/sT its an integrator with time constant i.e Assuming a T of 5s, if I input a...
Apr19-12 12:04 AM
1 893
I am working with a kit circuit that I ordered online. The circuit triggers a relay when it "hears" a loud noise. I...
Apr19-12 01:33 AM
1 1,124
We know charge is accumulated on the conductor plates of capacitor. Here is a circuit (image) with voltage source,...
Apr19-12 05:33 AM
48 9,886
I found this problem during simulating my SIMULINK block diagram. how can i solve this? thanks. it is emergency. this...
Apr19-12 10:45 AM
0 1,925
hello, pozdrav my question is about Valve Regulated Lead Acid battery. may i charge it only with "float" voltage...
Apr19-12 11:32 AM
2 1,184
Is the output from a transistor sensor circuit analogue or digital? I know that you sometimes need a pull up or down...
Apr19-12 04:28 PM
9 1,757
if electricity is flow of electrons and also positive and negative charges attract then why electricity needs a...
Apr19-12 06:41 PM
jim hardy
3 905
Isn't the case that when the lamp filament melts the resistance of that part of the circuit goes to infinite? So why...
Apr19-12 07:02 PM
jim hardy
4 1,431
I would like to make an electromagnetic simulator, but I have no experience in this. I have written 3-dimensional ray...
Apr20-12 02:39 AM
5 1,484
In the ni=\sqrt{Nc*Nv}*e^{\frac{-Eg}{2kT}} formula for intrinsic carrier concentration, what values Nc,Nv and Eg take...
Apr20-12 08:25 AM
1 6,887
Hello everyone, I'm Jamie and at the moment I'm at the final stages of my final year design project. I'm designing...
Apr20-12 08:41 AM
2 510
I was trying to solve out this problem for homework and I came to the answer of all of them being false because they...
Apr20-12 09:28 AM
3 995
there are some computer related gadgets out there which, courtesy of the OEM decisions, have to be used with a small...
Apr20-12 02:41 PM
11 948

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