You are here:
- Home
- Science
- All Sciences & Engineering
- Electrical Engineering
Electrical Engineering/Questions
| Subject | Date Asked | Expert |
| Burnt Resistor - Followup | 1/27/2012 | cleggsan |
| Q: I'm trying to repair a small lamp that has a burnt resistor. Unfortunately, the color codes all ... A: The electronics you describe are a "three way touch light switch circuit" and it allows the touching ... | ||
| Burnt Resistor | 1/26/2012 | cleggsan |
| Q: I'm trying to repair a small lamp that has a burnt resistor. Unfortunately, the color codes all ... A: Usually the specifications for the lamp/bulb are found on one of the web sites. ... | ||
| Burnt Resistor | 1/26/2012 | Dave Nyce |
| Q: I'm trying to repair a small lamp that has a burnt resistor. Unfortunately, the color codes all ... A: You can determine its resistance by using a resistance meter, available at Radio Shack as part of ... | ||
| Building a Equivalent Circuit Model for a UWB Antenna | 1/23/2012 | cleggsan |
| Q: First of all, i would like to apologize if i annoy you with this question. Actually, i have designed ... A: Here is a little tutorial on the UWB antenna options: ... | ||
| bulb filaments | 1/23/2012 | Dave Nyce |
| Q: When a bulb filament is broken and you tap the bulb and the filament contacts another part of the ... A: When you tap the bulb, the filament end can make contact with another part of the filament and form ... | ||
| digital communication | 1/20/2012 | Dave Nyce |
| Q: why square wave requires more bandwidth compare to sine wave? please give explanation A: You can consider the rate of change of signal amplitude to be analogous to frequency. A greater ... | ||
| measurements | 1/16/2012 | cleggsan |
| Q: HYi Cleggsan, Thanks for your prompt reply. Sorry, my question was about measurements. I mean am EM ... A: If you read my links you learned that the measurement technology is quite different between the two ... | ||
| EM field | 1/15/2012 | cleggsan |
| Q: Electric Field ...E (V/m ) Magnetic Field B (Wb/m^2) or in CGS Gauss/m^2. My question is that why ... A: Is this a question about measuring technique, test equipment or theory? See this: ... | ||
| A revised question about row and column addressing | 1/13/2012 | Dave Nyce |
| Q: Sorry to bother you again. I apologize for asking such a long and involved question earlier. Could I ... A: A lot of compoanies make LCD drivers. Two of the most popular are NEC and Samsung. Check these web ... | ||
| laplace equation | 12/30/2011 | cleggsan |
| Q: how do i convert this into F(S) f(t)=e^-2t(t^2-sin(4t))u(t) i solve it and i got this for my ... A: This looks like a home work problem.... We like to help without actually solving it for you. ... | ||
| electrical and electronic | 12/23/2011 | cleggsan |
| Q: !! I'm final year student from vtu university . please give an topics for a project and details ... A: Well, let me make some comments and then ask you some questions. By now you should have some ... | ||
| Sensor for detecting smells | 12/13/2011 | Dave Nyce |
| Q: I know there are sensors for flow, level, temperature, o2 content etc, but I wonder why we have to ... A: Odors can be gases or can be tiny particles that are so small that they can suspend in the air. A ... | ||
| Instantly start video recording when required for small area of the CMOS sensor possible? | 12/6/2011 | cleggsan |
| Q: Apologies if the below doesn't fall exactly in the area you are most expert in: I am working on my ... A: The problem is not in the camera element. They are fast as they must build a complete frame or ... | ||
| microwave | 12/6/2011 | cleggsan |
| Q: Greetings! Radio transmission is microwaves ...transmitter sending MW to receiver,inducing voltage ... A: First, "Radio transmission is microwaves" is not a true statement. Please read the following about ... | ||
| electrical capability | 12/4/2011 | cleggsan |
| Q: is it possible to send a strong pulse of electricity into soil or clay over a distance of several ... A: Sorry, I do not know what you mean by the word "sompone". It is not a term I am familiar with. ... | ||
| Generator circuit breaker and another circuit breaker | 11/29/2011 | Dave Nyce |
| Q: Please explain to disparity of generator circuit breaker and another circuit breaker. Thank; ... A: There are different types of circuit breakers to protect in different ways (slow blow, fast blow, ... | ||
| electroplating a pcb using conductive ink | 11/29/2011 | Dave Nyce |
| Q: I am interested in using electroplating to deposit copper, and I have been reading about the process ... A: A very, very, thin conductive layer is first applied to the entire surface. Then, a non-conductive ... | ||
| cell phone | 11/15/2011 | Dave Nyce |
| Q: Cell phones are digital..how come then that we get weak signals sometimes? It should be either on or ... A: The radio carrier frequency is an analog transmission, same as with radio stations but at a higher ... | ||
| earth leakage current CB | 11/13/2011 | cleggsan |
| Q: I just had my house's earth leakage cb trip, there is heavy lighting nearby. Why does it trip when ... A: Lightning near by can create imbalance in the feed lines to your residence. This imbalance can ... | ||
| blinking 120 neon light | 11/4/2011 | cleggsan |
| Q: I have a small (mini) neon light from Radio Shack that runs on 120 volts that I would like to make ... A: Christmas tree blink bulbs are heat sensitive breaker design. There is an internal heater element ... | ||
| blinking 120 neon light | 11/4/2011 | cleggsan |
| Q: I have a small (mini) neon light from Radio Shack that runs on 120 volts that I would like to make ... A: There are neon lights that are used for Christmas tree strings that have blinker built into the ... | ||
| Electric power and machines | 10/6/2011 | cleggsan |
| Q: what are the characteristics of direct current generator interms of speed and torque A: Read these pages: http://cindulkar.tripod.com/lab32.pdf ... | ||
| Re: Power transfer through wires and rechargeable batteries | 10/3/2011 | Dave Nyce |
| Q: it's Spencer again, Thank you for getting back to me so quickly. I'm sorry I asked such a lengthy ... A: If you are charging a 12V battery from AC, the current will be low. If you want to charge a 12V ... | ||
| Shunt in a DC circuit | 9/29/2011 | cleggsan |
| Q: A follow up to the previous shuntHow do you determine the polarity of a shunt when hooking up the ... A: Had I known you were working in the government/military environment it would have been easy to ... | ||
| Necessity of mag.poles | 9/27/2011 | cleggsan |
| Q: Sir, this is a basic question and heard explanation for it from various lecturers,but couldnt ... A: See the discussion of synchronous speeds in this page: http://en.wikipedia.org/wiki/Alternator ... | ||
| How to replace a battery with a plugged in connection | 9/26/2011 | cleggsan |
| Q: I have a DC 12v 7ah lead acid battery driven lawn mower. The battery died. And according to the ... A: The supplies from Grainger are merely 120vac to dc converters at different current capacities. The ... | ||
| How to replace a battery with a plugged in connection | 9/26/2011 | cleggsan |
| Q: I have a DC 12v 7ah lead acid battery driven lawn mower. The battery died. And according to the ... A: You need a pretty constant output - more than a simple diode rectifier will supply. The most ... | ||
| Shunt in a DC circuit | 9/23/2011 | cleggsan |
| Q: A follow up to the previous shuntHow do you determine the polarity of a shunt when hooking up the ... A: That helps greatly to learn the situation! So, do I understand correctly the shunt is prewired and ... | ||
| Shunt in a DC circuit | 9/23/2011 | cleggsan |
| Q: A follow up to the previous shuntHow do you determine the polarity of a shunt when hooking up the ... A: Can you not use an external voltmeter connected across the shunt to measure polarity? If you know ... | ||
| Earth/Neutral | 9/13/2011 | cleggsan |
| Q: 1.For a UPS system with neutral connected to the main earth neutral,any fault at the main neutral ... A: Sorry, I do not know about UPS grounding troubleshooting. It is not something I have experienced (I ... | ||
| Twisted pair cable question | 9/11/2011 | cleggsan |
| Q: Why is that in twisted pair cable, the tighter the twisting, the higher the supported transmission ... A: Tighter twisting of a pair of wires increases its shielding from outside and stray electric or ... | ||
| tsunami | 9/10/2011 | cleggsan |
| Q: I have a question that is kinda like a phenomena in solid state devices where at the quantum level ... A: Yes, and no. The wave theory you explained is very sensible and in keeping with basic wave ideas. ... | ||
| washing machine | 9/10/2011 | cleggsan |
| Q: First let me say that I really enjoy reading your responses,its really brilliant.I studied ... A: Sounds like double talk to me. There should be no "shocking" whatsoever with household appliances. ... | ||
| Power factor | 9/10/2011 | cleggsan |
| Q: What is power factor in simple mean and how we can improved this? A: Power factor is a measure of how much out of phase the current and voltage are to each other. If ... | ||
| harmonic filters | 9/10/2011 | cleggsan |
| Q: So thy unwanted harmonics are shunted to earth where they return to the source..is'nt that bad.I ... A: Think of it more as blocking the harmonic currents. Only the small portion that does not get fully ... | ||
| harmonic filters | 9/9/2011 | cleggsan |
| Q: I have been reading up on power system harmonic filtering and it says that the harmonic currents are ... A: The harmonics are filtered from getting through to the load, but the filter shunts them to the ... | ||
| dc-dc converter queries | 8/25/2011 | cleggsan |
| Q: I am designing buck converter. in theory i have read that if i use 'schotky diode' i will notice an ... A: There are many implementations/circuits for a buck converter and since I don't have the schematic ... | ||
| electric shock | 8/22/2011 | cleggsan |
| Q: sir, I purchased front loading washing 3 months back.(the make is Seimens). Recently i noticed that ... A: If there is excessive voltage between the metal chassis parts of the appliance and ground then you ... | ||
| Pioneer SA-5300 DC offset | 8/20/2011 | cleggsan |
| Q: I have a working pioneer sa-5300 amplifier which I repaired a few years ago. I notice that the ... A: I don't think the offset of the cone would be great enough to even measure with the 25mv. And, with ... | ||
| Pioneer SA-5300 DC offset | 8/20/2011 | cleggsan |
| Q: I have a working pioneer sa-5300 amplifier which I repaired a few years ago. I notice that the ... A: Direct coupling is for good low frequency response. And, while it eliminates the bulky coupling ... | ||
Electrical Engineering
Answers by Expert:
cleggsan
Top Expert on this page
Expertise
All technical areas of Electronics Engineering.
Experience
BSEE, MBA, Design, R&D, University Research.
Senior Life Member of IEEE. Life Fellow of AES.
Organizations
IEEE, Consumer Electronics Society, Audio Engineering Society.
Broad teaching experience; work experience mostly in consumer electronics and conversion from analog to digital technologies. Pioneer in digital audio at all levels.
Education/Credentials
BSEE (Equiv) BYU
BSEE University of North Dakota
MSBA (MBA) Illinois State University
Graduate Studies in Computer Science - Bradley University
Graduate Studies - Ohio University
Graduate Studies - University of Missouri Kansas City
DeVry Tech - Electronics
©2012 About.com, a part of The New York Times Company. All rights reserved.