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Hello, I haven't learned anything about micro controllers yet but I wanted to get a head start since I hear that...
Apr19-14 03:36 PM
meBigGuy
19 438
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...
Apr10-14 04:04 AM
mwvivi
189 61,248
I've occasionally been asked by some of the students I've mentored or TA'd over the years, "What's in your toolbox? ...
Feb4-14 04:57 PM
davenn
62 59,736
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
doubtbook
27 47,272
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 26,054
After reading about a guy who used a permanent magnet dc motor for his wind turbine, I got confused. Can motors be...
Mar3-11 10:02 AM
vk6kro
5 1,853
I have this differential equation that is supposed to describe a 2D mutually coupled phase locked loops: p1''...
Mar3-11 01:06 AM
nimitzhunter
0 729
How the currernt in a superconductor is limited?
Mar2-11 11:58 PM
Dickfore
14 1,551
HELLO .. I am Msc.Eng in electrical just finished my Msc and i want continua my P.hd but i am too confuse how i can...
Mar2-11 05:37 PM
khalidomy
6 695
I don't understand how exactly ESD mats work. They prevent build up of Electrostatic charge. So any non-wool material...
Mar2-11 04:02 PM
berkeman
1 886
http://img23.imageshack.us/img23/6131/17743493.jpg One thing bothers me... If we have a wire with NO...
Mar2-11 03:30 PM
Imteaz Ahmed
4 2,060
All electron flow nuances aside, let's look at simple circuit analysis. Hopefully you guys can clarify something for...
Mar2-11 12:46 AM
tangodirt
8 10,084
i need to design a test equipment for magnetic sensors and i need to use this in quality control department. the...
Mar2-11 12:26 AM
berkeman
8 1,513
I have a few questions on DC resonant charging circuits. The circuit only has a few practical applications, most...
Mar1-11 11:45 PM
Carl Pugh
3 1,910
I am building an axial flux generator with dual rotor and single stator. I was doing calculations and have a magnet...
Mar1-11 06:15 PM
Fish4Fun
1 2,552
I am using the following receiver and transmitter for my project to form a ultrasonic communication system. I...
Mar1-11 01:48 PM
nbankz
12 2,774
Hello all, This question might be at the same time both general and very specific. Admittedly, it has been over 10...
Mar1-11 12:56 PM
1yen
0 1,794
hi i am a B.Tech. 3rd year student,(stream-Electronics & Communication), as a part of my degree requirement, i need...
Mar1-11 12:47 PM
rama1001
3 22,536
Hello, first time posting. If this is in the wrong forum, please move it to the correct one. (its a cross...
Mar1-11 09:31 AM
AlephZero
2 1,568
What type of power rating does a wattmeter measure in an AC RLC circuit? Is the power measured the apparent power or...
Mar1-11 04:49 AM
tiny-tim
2 3,614
I'm in my 1st year of my EE program and I have found out that I'm not that good of a programmer. I'm learning assembly...
Mar1-11 02:49 AM
es1
4 6,338
Hi, I'm designing a wire harness for class 8 heavy duty trucks. I need to size the wires. Everything is 12V DC. ...
Feb28-11 02:36 PM
IntegraR0064
5 4,668
I need a solution for healing tree grafts. Fruit trees are often propagated in the spring by grafting (attaching) a...
Feb28-11 01:44 PM
vk6kro
4 1,655
Hi cuold you explain me purpose of jumper in mechanical assembly(some where using)?
Feb28-11 12:24 PM
dlgoff
2 732
Pretty much every single electronic device in the world with an internal, rechargeable battery (MP3 player, phones,...
Feb28-11 12:22 PM
vk6kro
4 1,831
What happens if you take a high amperage supply from a transformer so that current was forced to flow a certain way in...
Feb28-11 10:45 AM
reddevil2576
2 2,300
So I'm trying to understand the relationship between current & voltage as well as the basic electricity laws and Diode...
Feb28-11 09:38 AM
vk6kro
11 2,102
Im trying to design a circuit that will delay the turning on of a light. I have three bulbs, one should turn on as...
Feb28-11 02:34 AM
Shadow787470
19 6,408
Some of you may have seen my thread where i am using 555 (more then likely a 556 instead) to make a sequential tail...
Feb27-11 11:54 PM
Shadow787470
4 842
Hi, I have question about the field of view FOV of an optical detector. Why the cone that represented the FOV is...
Feb27-11 10:38 PM
femas
0 2,038
Hi guys, I need to design a circuit capable of activating a light if there's a sound source. Sound= Light on No...
Feb27-11 09:46 PM
Rainier9
10 2,026
I'm working on a project for my model railroad and I would like some help. I have a locomotive with a DC motor that...
Feb27-11 02:44 PM
jstamour802
1 1,159
Simple question for you guys. I am trying to drive an LED with a 5V power source and a resistor in series. I...
Feb27-11 02:30 PM
jstamour802
3 18,168
Hello, I hope I can have some help for calculating the power of an electric circuit. Here is my query: I know...
Feb27-11 11:38 AM
sophiecentaur
9 2,625
Hi, I'm considering buying a home on a hill that has a cellular tower a eye level with the kitchen room window. The...
Feb27-11 09:37 AM
JaredJames
2 798
Hi friends, simple question here. I have a system that needs to be earthed, currently I am connecting it to an...
Feb27-11 05:51 AM
davenn
11 2,151
Hello. I need an explanation for a strange phenomenon ... I use a fan (PC type) powered by mains (220 V / 50 Hz in my...
Feb27-11 01:16 AM
Mike_In_Plano
2 805
I was just wondering if anybody does electronics projects at home, as a hobby. What kind of equipment do you have,...
Feb27-11 12:34 AM
Mike_In_Plano
5 2,445
Hi all, I am required to calculate the size of a battery and capacitor based on a hybrid input source. Any advice...
Feb27-11 12:09 AM
vincentwkk
0 590
i have been working on generating high frequency alternating magnetic field (amf) generator (100-500 khz range) to...
Feb26-11 09:37 PM
Bob S
6 7,135
Hey guys, I'm trying to build a circuit where I can put in an analog signal (my voice) and have it output the same...
Feb26-11 09:20 PM
dlgoff
3 3,831
I recently acquired a 12kw three-phase Onan propane generator, like new, given to me basically. Is there a way to...
Feb26-11 04:35 PM
Higgs Boson
4 19,656
When we connect a wire to a negative side of the battery, electrons flow from the negative terminal to the wire in...
Feb25-11 12:48 PM
Bassalisk
11 1,609
unit step function u(t) does not contain any transient signal
Feb25-11 11:18 AM
russel.arnold
1 509
Hi all. I have a 4 input circuit (ABCD). I have 7 outputs that accompany this circuit. Now, I have tools (like...
Feb24-11 10:58 PM
berkeman
1 884

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