Electrical circuit is an interconnection of electrical components. An electrical circuit consists of batteries, resistors, inductors, capacitors, switches or transistors. An electrical network consists of a closed loop. A circuit is a closed path where electrons flow in a wire. As long as the ...
Electricity is an important part of our daily lives. A simple electrical circuit consists of several essential elements. The power source, such as a battery, provides the energy to make the current flow. The wires act as conductors to carry the electric current from the power source to the ...
A。“resistance”电阻是对电流流动的阻碍。选项 B“the flow of electric charge”是电荷的流动;选项 C“the potential difference across a conductor”是导体两端的电势差;选项 D“the electrical energy stored in a conductor”是导体中储存的电能。反馈...
解析 A。在一个电路(electrical circuit)中,能量以电能(electrical energy)的形式传输。heat energy 是热能,电路主要不是以热能形式传输能量;light energy 是光能,一般不是主要以光能传输;mechanical energy 是机械能,电路不是以机械能传输能量。反馈 收藏
In an electrical circuit, resistance is a measure of how difficult it is for electric current to flow. The unit of resistance is ___. A. ohm B. volt C. ampere D. watt 相关知识点: 试题来源: 解析 A。电阻的单位是欧姆。选项 B“volt(伏特)”是电压单位,选项 C“ampere(安培)”是电流单...
An electrical circuit for the electrical communications equipmentHARVEY HOLMES,DR.PH.D. WARWICK
D. To change the direction of the current. 相关知识点: 试题来源: 解析 C。解析:保险丝在电路中的主要作用是防止过载。选项 A,保险丝不能增加电压。选项 B,测量电流的是电流表等仪器。选项 D,保险丝不能改变电流方向。阅读时要抓住“fuse”“electrical circuit”等关键词理解其在电路中的作用。
In an electrical circuit, if we increase the resistance while keeping the voltage constant, what will happen to the current? A. The current will increase B. The current will decrease C. The current will remain the same D. The current will become zero ...
a泰国23省115条公路仍遭洪水淹没 正在翻译,请等待... [translate] a因为德国香肠成为了一种文化 Because the German sausage has become one culture [translate] aAn electric circuit is an interconnection of electrical elements. 一个电路是电子元素的互联。 [translate] ...
Jack S. Kilby, an electrical engineer whose invention of the integrated circuit gave rise to the information age and heralded an explosion of consumer electronics products in the last 50 years, from personal computers to cellphones, died Monday in Dallas. He was 81. His death, after a brief...