Register to Post Thread

Electrical Engineering

- Uses of electricity and the equipment for power generation. Circuits, Fiber, Signals & Systems, Semiconductor Devices...
RSS Feed Icon
Meta Thread / Thread Starter Last Post Replies Views
Jan16-12 Greg Bernhardt
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
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
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 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
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
Does it matter if the resistor is on top or below a voltage source after doing a source transformation? According...
Apr16-14 12:51 AM
jim hardy
28 921
I'm looking at purchasing some oscilloscope probes off amazon but it says that they're made in China. I know that all...
Mar6-13 03:46 PM
5 558
In the book 'Virgintell' which has a lot of seemingly high ideas about science there is the proposition that light can...
Mar18-10 09:26 AM
2 1,575
Does magnet wirealways have to be used in the production of solenoids or Transmformers?
Jun18-05 06:31 AM
2 1,083
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
3 670
Hi, This is a cascode LNA. Please help me with the question in picture. Thank you. ...
Feb19-14 05:51 PM
2 271
from online descriptions of laser mouse operating principle it's unclear to me that the mouse would need to be...
Apr23-12 02:03 PM
5 1,044
The formulas in question are: Beta = Ic/Ib Ie = Ib ( 1 + beta ) Ie = Ib + Ic
Jul15-12 03:22 AM
5 3,413
Does quickly shorting out an inductor in series with a capcitor create a small emp?
Sep15-05 03:47 PM
7 2,215
I had 2 people telling me 2 different I don't know the real answer. Does resistance go up or down with an...
Feb11-11 12:32 PM
6 5,901
If I hava non periodic waveform and I divide it into 3 cycles is taking the RMS of each cycle and averaging the same...
Oct27-11 09:08 PM
3 953
Does it, or is that current? (sorta yes or no answer I guess)
Apr26-11 08:03 PM
5 7,863
Synchronous generator synchronous reactance Xs is composed of Xs = Xa + Xl where Xl is the armature leakage ractance...
Jan18-12 06:20 PM
jim hardy
5 2,103
The other day, I was sitting down watching TV, then I turned the TV off, and the DTV, and I noticed a sort of ringing...
Aug29-09 12:50 PM
11 1,968
I'm learning AC and theory says that the polarity of AC inverses.. even the name says 'alternating current'.. now what...
May18-14 11:33 AM
8 349
Hi, What if the inductor coil is wound one way rather than the other. Then the circular flow of current will be...
Jul31-11 11:30 AM
1 2,759
In this schematic there is two potential transformers on the left and two current transformers on the right. The...
Jan21-10 10:28 AM
1 1,348
Greetings engineers, The question is mentioned in the title. I actually thought of making it as my final year...
Aug10-11 04:16 AM
8 3,410
Hello I want to a device to change 50Hz to 60Hz, and found the inverter can do it. but the output wave is not sine...
May14-12 05:57 PM
9 996
While reading Laplace transform in my book, I came across a problem. where it evaluates the laplace transform of ...
Mar26-13 12:33 PM
5 814
If you want to soldier something, then, how can you check to be that whatever you are soldering has no lead present?
Nov22-09 04:15 AM
6 3,852
I found most literatures on Electrical or Magnetic fluxes maddeningly unclear about the MATERIAL in which the...
Jun6-14 06:19 PM
4 232
Im trying to build an IR receiver circuit that will perform a simple on-off operation when I push a button on an IR...
Dec18-08 11:47 AM
1 1,433
Hello: I need help determining if I and V assignments follow the passive sign convention. Here is the image of the...
Sep12-07 08:27 PM
13 6,101
More than likely somebody has already done this, however I do not know what to search for or where to start. Hopefully...
Jun19-08 09:06 AM
10 1,763
I found an image on google that I recognised to be an almost functioning NOT gate: ...
Feb6-13 11:27 AM
11 997
I ran across this link on how to revive NiCad batteries. Before I try this, I want to run this by you guys. ...
Jan21-11 06:53 PM
1 764
I've found this starter kit on Amazon...
May20-14 11:46 PM
6 340
Hi, I have seen a couple of videos on youtube where people simply hook a homemade simple coil of copper wire ...
Aug13-12 11:41 AM
jim hardy
30 2,426
I was wondering if you were to use the em field caused by electricity flowing through a wire or coil to push a...
Dec3-13 05:22 PM
5 618
In a recent discussion the output of a single-phase permanent magnet alternator was the topic. The alternator has a...
May29-11 02:52 PM
16 2,789
Hi guys (and gals) Say, i have a solar panel rated at 100w 12v with the following specs: Short circult...
Aug15-12 03:37 AM
1 525
I've been hearing that our very brains have more computing power than the highest of computers. IS this true. I mean...
Feb1-09 11:33 AM
44 5,360
Hi guys: I've read on a few websites that zero padding does not alter the frequency resoltion? But the frequcny...
Jan5-07 09:15 AM
0 3,618
if not, what resistance is the closest to 175kohm? tqvm.
Mar6-06 09:37 AM
3 1,125
Hello. First time poster, many-a-year browser. I will describe my current project in the fullest detail I can and...
Oct2-11 07:44 PM
21 3,260
I have bought just four mains voltage LED lamps, in my life. Three of them have failed. One has failed after only a...
Nov27-12 03:46 PM
21 1,648
I keep looking at adverts for LEDs in the home. None of the LED lamps I have seen in the shops look 'right'. They look...
Jan13-10 06:17 AM
1 810
I was told that a shaver socket has an inbuilt isolating transformer to prevent electric shock. But surely if someone...
Apr16-08 09:45 PM
5 3,972
So I'm a physics major who is doing a summer research internship that is mostly electrical engineering. My research...
Jun30-08 04:22 PM
4 1,185

Register to Post Thread
Bookmark and Share

Display Options for Electrical Engineering Mentors
Showing threads 4121 to 4160 of 15348 Mentors : 2
Forum Tools Search this Forum
Search this Forum :
Advanced Search