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Jan16-12 Greg Bernhardt
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...
Aug13-14 03:22 PM
Fuxue Jin
194 94,304
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 82,461
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 58,204
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
0 31,074
Im at work and i have a heated fan by my side. I decided to do a small experiment with air pressure. I placed a piece...
Feb25-13 04:29 PM
2 430
Hello, This is my first post here. Please excuse my poor English and grammar. I will try to make my questions...
Feb25-13 01:28 PM
jim hardy
3 523
Hi to all, i'm new to the forum and forgive me if i'm not in the right place. I have a drag knife sign making cutter...
Feb25-13 01:24 PM
jim hardy
5 605
Hi everyone, I'm about to start a MCU project that involves using a already hacked iRobot Roomba and taking video...
Feb25-13 12:32 PM
1 449
It is my understanding that this pic chip has usb wiring ability. Does this mean i can create a very cheap burner, or...
Feb25-13 12:32 PM
Mike Charlie
14 1,390 In the above link it...
Feb25-13 12:20 PM
1 519
Hi, I'm investigating what happens to bandwidth at resonance of a series RLC circuit when each component is...
Feb25-13 10:12 AM
4 576
Hello All, I am working on a project where I am trying to replicate the behavior of a particular inductance module...
Feb25-13 08:21 AM
2 642
The image attached is of an underdamped RLC step response. I know that I can find the damped frequency of the response...
Feb25-13 08:00 AM
3 3,993
Anyone has got an idea about a sound sensor ( that is really sensitive !!) , i.e., can sense the sound levels of 20-25...
Feb25-13 03:00 AM
2 396
Hi PF, What is the conceptual difference between potential barrier and potential difference? both have an electric...
Feb25-13 02:20 AM
6 904
Here's my circuit The question at hand is what happens when the trigger switch is closed during the timing cycle...
Feb25-13 12:10 AM
5 523
This is my first engineering course of many to come and I was hopping someone can shed some light on how to add some...
Feb24-13 09:11 PM
8 1,155
In a 3 phase slip ring Induction motor, 3 phase balanced supply is given to rotor winding & stator winding is short...
Feb24-13 06:01 PM
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I just read this article from a while ago and it has me puzzled: Asides from...
Feb24-13 01:44 PM
0 288
How does the mass of a toroidal top load on a Tesla coil affect performance, assuming all dimensions are similar...
Feb24-13 01:11 PM
3 697
Hello, So here is my story.. I will have a bachelors degree in Applied Physics in May. My favorite topic in...
Feb24-13 11:21 AM
4 668
What's the trick to convert changes in current to some voltage equivalent? 50% increase in current --> 50% increase...
Feb24-13 09:57 AM
2 318
What are the most basic components I need to generate and recieve a radio signal and how would I arrange them? For...
Feb24-13 08:55 AM
5 580
Consider 2 cases case 1: no of rotor poles = 2 no of stator poles =4 case 2: no of rotor poles = 4 no of...
Feb24-13 05:25 AM
Simon Bridge
1 4,175
Hello, As part of a larger problem, I'm trying to understand the dynamic equations of the attached circuit with two...
Feb23-13 07:44 PM
Carl Pugh
1 476
Greetings, I am looking for equivalent of relay or optocoupler but in nanowatts range if there is any. I looked...
Feb23-13 06:47 PM
1 450
Hi Everyone, I'm working on some inductance calculations and was wondering if anyone knows of any formulas (or...
Feb23-13 05:03 PM
4 2,477
Hello friends.I was just wondering if a step up transformer can be used to amplify voltage signals like a...
Feb23-13 07:33 AM
31 4,098
How does sheet resistance change when comparing a flat sheet to a folded sheet? Is this change predictable?...
Feb22-13 09:44 PM
Simon Bridge
1 777
I was wondering if anyone knows of a USB GSM Module that comes with some sort of development kit. I would like to...
Feb22-13 09:16 PM
1 496
Basically, I'm a sophomore at Stony Brook University and I was doing biomed but now I think I want to be a software...
Feb22-13 09:13 PM
1 1,507
What exactly is the difference between Frensel reflection and total internal reflection with regards to the efficiency...
Feb22-13 09:12 PM
2 613
How can I calculate how fast I can switch the mosfet? I have the 8 kohm pull up so I think that impacts my charging...
Feb22-13 09:00 PM
1 1,402
hey guys, i need to know how does width of depletion layer varies with various factors and i have mentioned all my...
Feb22-13 08:52 PM
1 717
It's common to express phase differences between two sinusoidal waveforms as a "phase angle", with a full cycle...
Feb22-13 08:48 PM
2 538
Hi!! I am using this hall sensor i...
Feb22-13 08:45 PM
1 450
I am going to give a presentation on High Electron Mobility Transistors (the ones that use a 2 dimension electron or...
Feb22-13 08:35 PM
3 615
I have a question and am wondering if reddit can help. In a 3 phase power system, the overall total power is meant to...
Feb22-13 06:09 PM
2 435
Hi everyone, I working on the design of a small DC converter coil with a step up ratio of about 1:8. I have been...
Feb22-13 05:38 PM
0 668
Recently got hired at a local electric utility and unfortunately my college did not offer a lot of power classes so I...
Feb22-13 03:46 PM
1 491
Hi I am working on a project at the moment and I was wondering if there is any circuit simulator that includes the PIC...
Feb22-13 01:12 PM
Mike Charlie
6 652
Right now I'm doing an experiment for my EE about battery capacity. How would I be able to monitor the battery's true...
Feb22-13 11:40 AM
jim hardy
7 513
I am trying to find the capacity of a AAA battery by discharging it. How would I be able to discharge the battery at a...
Feb22-13 08:32 AM
Simon Bridge
12 839
how do we transfer many electrical signals of different frequency over a wire? i know its called frequency division...
Feb22-13 07:38 AM
1 370

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