# Electrical Engineering

- Uses of electricity and the equipment for power generation. Circuits, Fiber, Signals & Systems, Semiconductor Devices...
 Meta Thread / Thread Starter Last Post Replies Views Views: 5,014 Announcement: Follow us on social media and spread the word about PF! Jan16-12 Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a... Mar26-08 12:32 PM berkeman 0 31,496 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... Aug25-14 03:20 PM Fuxue Jin 196 96,492 Pinned: Useful EE Links and Search Engines ( 1 2) I came across another good search engine today looking for a datasheet, so I thought I'd try starting this thread for... Aug22-14 02:05 PM Jamesangelo 28 59,062 Pinned: What's in an electronics hobbyist's toolbox? ( 1 2 3 ... Last) 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 NATURE.M 63 83,844 i have just purchased a digital lock that works on 12v dc... the lock has a transformer and a rectifier , hence i... Jan8-10 11:32 AM manshuk89 3 3,207 I have a 12vdc, 5Amp power supply and need to connect to a 12vdc, 40 watt electromagnet. I put a SPDT relay switch... Mar4-11 08:21 PM vk6kro 7 2,125 Hi, I am new to consulting business in India and wanted to know that if i use armored cable do i need to run it in... Oct7-11 03:18 PM dlgoff 5 1,230 $$Let\quad \vec { Z } =R+Xj$$ If X>0,then the impedance is lagging (current lags behind voltage).If X<0,then the... Apr24-14 07:35 PM jim hardy 5 351 I'm working on a robotics project that I believe could greatly benefit from the use of differential GPS. The robot... May7-12 11:44 AM murrdpirate0 2 1,582 I frequently teach my students about how basic generators work (motional EMFs, Faraday's Law, magnetic flux, etc.). ... Aug8-11 08:07 PM MisterX 3 2,101 I am currently planning a two-switch forward transformer driver, so as to avoid flux walking (which has been a... Nov7-11 06:42 AM cmb 0 762 I know that magnetic fields can effect electrons in certain ways, but I specifically want to know if a bar magnet just... Feb5-12 05:00 PM cjameshuff 6 6,171 Do microcontrollers have cache? Apr28-06 10:08 AM berkeman 4 1,568 When we do labs in classes we never connect anything to physical ground (always just "common" node), but in an actual... Apr10-09 12:35 PM EEJaime 8 2,376 The way I see it, the more the plates charge, the harder it is to charge them. Therefor capacitors always charge... Jul17-12 05:12 PM sophiecentaur 36 5,860 More specifically, do the leads on a TO-220 package MOSFET (like this) fit in the holes on a breadboard? Feb5-09 10:29 PM MATLABdude 1 3,454 Hi there , Can it be concluded that more the number of TR modules in an AESA radar more will be the emission ? ... Nov5-12 03:36 AM Debo Industry 0 876 Hello everyone I have a 110V hardware plugged in at home (we use 220V) by way of a step down transformer and I was... Dec15-06 11:50 AM russ_watters 2 5,845 Due to the fact that I don't have any plans on damaging my chargers (something I am not planning to risk at the... May19-14 11:35 PM meBigGuy 9 436 I'm just looking over some introductory notes to transistors and it says that BJT transistors are useful for... Aug29-11 05:13 AM Studiot 1 1,367 Question at topic title. Sep20-11 04:06 AM Femme_physics 2 1,333 I've set up RAM on a bus such that one chip takes the lower nibble and another chip takes the upper nibble of a... Jan22-08 03:50 PM berkeman 1 1,297 Hi, I think that anyone with some programming skills can create apps/games and sell it but what about... Nov18-11 03:31 PM yungman 9 1,506 do ‘grounding’ and ‘earthing’ point to a same thing? Is there any difference between them? Apr6-08 12:23 PM mgb_phys 4 1,684 Hi, Can I get some learning material or guidance on how to build equipment for generating specific waveforms of... Aug8-12 12:16 PM berkeman 1 747 When a batter is charging, lets say 3V battery.. when it's full, does it stops there or continues to take in charge?... Apr21-14 12:53 PM mjhilger 9 1,424 Here's a question no one at present seems to know the answer to. In "Talk Boxes" from the 70s they used a light bulb... Oct19-09 01:48 AM arithmetix 2 774 I have been trying to search for a clear definition of "discrete causal systems". The thing I want to know, which I've... Mar13-14 01:57 PM AlephZero 1 288 Does a dead 1.2V rechargeable AA NiCad battery act as an open or closed circuit? My electric toothbrush's... Jun1-14 09:21 AM jim hardy 17 720 Hello this is my first post in this forum. I would like to ask something relatively simple and I need a simple answer... Jun30-14 06:24 AM sophiecentaur 5 1,163 does a hamming code always corrects one error and detect 2 errors ? and is the distance always 3 ? I know that that... May11-13 12:34 PM Bassalisk 4 581 I have seen the potential coil go across two phases to measure voltage. But there is no neutral attached to the... Jan17-10 10:29 AM Averagesupernova 9 1,840 Does a wifi client (such as a laptop or phone) transmit anything prior to associating (or attempting to associate)... Sep28-11 01:52 PM fleem 1 867 If I replace a 16 volt rated capacitor of 47uf with a 64 volt rated capacitor of 47uf, will the working capacitance... Nov22-08 12:16 PM StgIIIOvrDvn 7 11,167 if frequency of sine wave is 3000 and 5000 is sampling frequency is used how will this change phase of sine wave when... Oct4-13 05:08 PM janu203 0 839 i have used different PSU on a simple electromagnetic motor (tattoo machine) and have notice a machine will run a... Feb3-10 08:09 PM massiah2012 5 1,974 if i increase the amperage in an induction motor, will the induction motor spin faster? and vise versa? Feb21-13 12:48 AM Simon Bridge 6 638 Would an electrical engineer who earns a B.A. in Electrical engineering from around say 1998 - 2009 going to be taught... Dec10-09 11:49 PM Mike_In_Plano 4 981 Dear all, This question is related to the radiation of a UWB antenna. If I feed a Gaussian pulse to a UWB... Jan19-11 04:24 AM Phrak 10 3,648 Hi. I'm new to verilog and I'm trying to do something that to me, seems very simple. I have a file with some logic... Apr17-08 05:56 PM KingNothing 1 1,650 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 tonylim456 0 2,025 Does anyone have solution to Field and Wave Electromagnetics by D.K. Cheng? If you do could you send the solution to... Jun14-05 06:29 PM cytrorsx 0 5,175 Does anyone have the solutions for Field and Wave elctromagnetics by David CHENG?I need it immediately.if anyone had... Feb9-07 02:23 PM berkeman 1 3,284 im basically looking for any elictrical engineers here with experience or study in telecommunications.. I want to find... Nov18-10 09:53 AM farazk86 0 684

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