A "volt" is a unit of electric potential, also known as electromotive force, and represents "the potential difference between two points of a conducting wire carrying a constant current of 1 ampere, when the power dissipated between these points is equal to 1 watt."[1]Stated another way, a...
What does Alan now about Jackson trading company? What is the island park? What does Ellen parkers company specialize in? Why does Ellen say goodbye to Vivian?忙闹了个。 Make a self introduction in groups of four. They give a self introduction in class. Good morning, everybody. I'd like...
What is the use of a force triangle? How much force is a newton? What unit is used to indicate the strength of an electric field? What are the units of linear momentum? What does a force acting on an object do to that object's motion?
What does the word “field” mean in the sentence “Some people are worried that electromagnetic fields from electric power lines could increase the risk of cancer.”? An area of grass, for example in a park or on a farm. B. An area of land or sea bed under which large amounts of ...
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——What does the hydro—electric project of the Three Gorges Dam mean? —-It means the danger of flooding。 A. to B. ring an end of B。 to bring an end to C. 。 bringing an end of D. 。 bringing an E. nd to 相关知识点: ...
What do you mean ___ the electric fan? [ ] A.by turning off B.in turning on C.by turn off D.in turn on 试题答案 在线课程 答案:A 解析: by doing sth.意为“通过做……”。 练习册系列答案 优学3部曲初中生随堂检测系列答案 非常听力...
What does it mean for electric current to be a scaler? What type of friction produces electromagnetic forces? What is the difference between Electro-Motive-Force and Potential-Difference? What is a poor conductor of electricity? What are some ways to transfer the motion of electric charge through...
Electric motors create powerful magnetic fields which produce a voltage, or back electromotive force, in opposition to the applied voltage. This causes the supply current to lag the applied voltage. The resulting out of phase current component cannot deliver usable power, yet it adds t...
If you're considering buying an electric vehicle (EV), there are two critical units of measurement that you'll need to know: kW (kilowatt) and kWh (kilowatt-hour). Let's see how kW and kWh can help you decide which EV is right for you.