16 -- 10:04 App AC Theory_ How Does Frequency Affect Inductive Reactance_ 8 -- 19:36 App How to rig a sailboat _ SMLS S5E06 13 -- 15:40 App First Evidence Black Holes Source of Dark Energy - EXPLAINED 25 -- 9:33 App How Does Rayleigh Scattering ACTUALLY Work_ (The Blue ...
The amount of electricity that is generated is determined by several factors. Two of those factors are the volume of water flow and the amount of hydraulic head. The head refers to the distance between the water surface and the turbines. As the head and flow increase, so does the ...
Anybody can use a mobile phone to answer work and personal calls at any time, 7 days a week. Does this development have more positive or negative effects on both individuals and society? Give reasons for your answer and include any relevant examples from your own knowledge or experience. Writ...
Even though they didn't fully understand it, ancient people knew about electricity. Thales of Miletus, a Greek philosopher known as one of the legendary Seven Wise Men, may have been the first human to study electricity, circa 600 B.C. By rubbing amber -- fossilized tree resin -- with f...
Electricity moves more easily through substances with lots of free electrons, like copper, than it does through substances with fewer free electrons, like carbon. In other words, substances like carbon have greater resistance. Moving current through substances with high resistance can create heat and...
So, are heat pumps actually breaking the first law of thermodynamics? Of course not. They’re just not using their electricity to make heat. They're using it to power the compressor and spin the fans. They get the extra energy for free— from heat in the air or underground. Which is ...
more renewable energy and transportation solutions to fight climate change. The technology behind EVs has improved, and they've become a much larger part of our culture. Companies like Tesla have even made the EV a kind of status symbol. But have you ever wondered how they actually work?
Doing office work. Meeting with sales manager. Reporting to the general manager. Taking the theory of the figure. Try worrying about. Reporting to the sales manager. Visiting customers. Fixing tiger. Listen to the prophets again and answer the following questions. When does the supervisor usually...
How does a battery really work? Types of batteries Measuring batteries A brief history of batteries Find out more What is a battery? A battery is a self-contained, chemical power pack that can produce a limited amount of electricalenergywherever it's needed. Unlike normalelectricity, which flow...
How does electromagnetism make a motor move? The basic idea of an electric motor is really simple: you putelectricityinto it at one end and anaxle(metal rod) rotates at the other end giving you the power to drive a machine of some kind. How does this work in practice? Exactly how do...