electricity

  1. K

    Looking for some answers concerning motors, bikes, horsepower and electricity?

    Ok, so for my science fair project this year, I plan on working on my bike to hook up an electric motor to a solar panel, and power the bike with it. I just need to know some things, like how much solar power I'll need, how much horsepower the motor should have, how fast the bike would go, etc...
  2. K

    Looking for some answers concerning motors, bikes, horsepower and electricity?

    Ok, so for my science fair project this year, I plan on working on my bike to hook up an electric motor to a solar panel, and power the bike with it. I just need to know some things, like how much solar power I'll need, how much horsepower the motor should have, how fast the bike would go, etc...
  3. K

    Looking for some answers concerning motors, bikes, horsepower and electricity?

    Ok, so for my science fair project this year, I plan on working on my bike to hook up an electric motor to a solar panel, and power the bike with it. I just need to know some things, like how much solar power I'll need, how much horsepower the motor should have, how fast the bike would go, etc...
  4. K

    Looking for some answers concerning motors, bikes, horsepower and electricity?

    Ok, so for my science fair project this year, I plan on working on my bike to hook up an electric motor to a solar panel, and power the bike with it. I just need to know some things, like how much solar power I'll need, how much horsepower the motor should have, how fast the bike would go, etc...
  5. J

    AC Electricity Vs DC?

    I keep hearing the same thing, alternating compared to direct swap between terminals, and that AC is good for transformers to change volts, But can anyone add to this, e.g. how does the current change, is it because the magnet spins, if so how does that change the current direction, and if it's...
  6. S

    Can door bells ring without electricity?

    Me and my boyfriend went for a walk to get some groceries and we passed by a spooky lookin' house, and I felt compelled to go and read what the signs said. My boyfriend then started to poke at the door bell, and it randomly RANG. It was one of those creepy scary movie type of rings. The water...
  7. M

    is there a chemical that turns black when introduced to electricity?

    is there a chemical that turns black or dark when introduced to an electric current and returns to its original state when the electrical current is taken away?
  8. G

    Implant Harnesses Electricity From Consumed Food [Science]

    For the first time, scientists have successfully implanted a biofuel cell that generates power from glucose inside a body—an everlasting battery you could theoretically recharge by eating a Snickers bar. More »
  9. M

    Which uses less electricity: Washing dishes by hand or washing them in

    the dishwasher? I am assuming that the dishwasher does not heat the water beyond the temperature the hot-water heater does AND that the dishwasher is new albeit not necessarily not the most energy-efficient model AND that you do NOT use the dishwasher's heated dry cycle BUT you do use its...
  10. M

    Economic influence factors, petrol & electricity price increase, strong Rand to...

    Economic influence factors, petrol & electricity price increase, strong Rand to... ...Dollar, consider interest cut? What will the interaction of these factors be on all parties in the economic cycle and the affect on the supply and demand.
  11. J

    Difference between AC & DC in electricity?

    I know that DC can be graphically explained as unidirectional flow of electric charge. Also I know in AC, electric charge would move forward, then backward on and on. I also know that DC usually comes from battery and AC comes from the house wall. That's all I know. Just the definition. Please...
  12. T

    News Outlets Examine Electricity, Customs Hurdles For Foreign Aid, Potential Malaria

    Since a major earthquake hit Haiti last month, "power has returned to nearly half" of the neighborhoods around Port-au-Prince, but the rebuilding of the country's power system "is starting almost from scratch," the Associated Press/New York Times writes in an article examining the prospects for...
  13. H

    How much electricity does a 100 watt guitar amp use?

    I am asking for a friend who needs to work out how bit a power bill would be for a small rehearsal studio. Thanks!
  14. H

    How much electricity does a 100 watt guitar amp use?

    I am asking for a friend who needs to work out how bit a power bill would be for a small rehearsal studio. Thanks!
  15. H

    How much electricity does a 100 watt guitar amp use?

    I am asking for a friend who needs to work out how bit a power bill would be for a small rehearsal studio. Thanks!
  16. B

    In Melbourne Australia what are the costs of living? Ie electricity gas,...

    ...water, phone etc? Rent and groceries not included, only montly services.
  17. P

    my cars windows have no electricity!!! help me plz?

    ok. my car is a jeep and the thing is that all 4 windows dont work!! the control for the windows by the drivers seat wont let me control the windows! iv been told they have no electricity. what should i do? if you can plz give me a name of a shop that will help mme but with a cheap price...
  18. B

    Can you afford an $1800 a year hike in your electricity bills?

    White House Admits Obama Energy Tax Will Increase Average Electric Bill By $1800 Per Year And that is lowballing it. From Human Events. http://www.humanevents.com/article.php?id=31137 President Obama’s energy tax plan -- a version of the failed European “cap and trade” global warming...
  19. N

    Electricity - can I use this converter?

    Hello, i'm in France, and I want to recharge my video camera that i brought from the US. The info on the camera battery reads: AC100-240V~50/60Hz 18W DC8.4V-1.5A The info on the converter reads: 220V 10A_~ Thanks for your help. I don't understand anything about electricity!
  20. M

    By the Numbers: In down economy, electricity thefts rise

    By the Numbers: In down economy, electricity thefts rise 3,196 Number of cases of electricity theft that American Electric Power, which serves customers in 11 states, experienced in January and February, a 27 percent climb from a year earlier. AEP is not the only power provider to...
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