A. They are inversely proportional. B. They are directly proportional. C. They are unrelated. D. They are E. xponentially related. 相关知识点: 试题来源: 解析 B。解析:根据欧姆定律,在电阻一定时,电压和电流成正比。选项 A 成反比错误;选项 C 无关错误;选项 D 指数关系错误。反馈 收藏 ...
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This page provides basic knowledge about electric current as well as an easy-to-understand introduction to topics like the difference between current and voltage, different types of current, and methods for measuring current. Once you’ve read it, you should have a basic understanding of electric...
百度试题 结果1 题目What is the relationship between the voltage source and the current source in Fig.1.1? A. in series B. in parallel C. neither in series nor in parallel D. I don't know 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
Electricity is the flow of electrons through conductors. Circuits are complete loops, including a conducting material connecting resistors and a source or sources of voltage. Voltage provides the force to move electrons creating current.Answer and Explanation: The difference between direct current ...
The difference between voltage and current As introduced above, a simple description of voltage would be “the ability to cause electricity to flow.” If you’re like most people, you have trouble envisioning what voltage is since you can’t view it directly with your eyes. To understand volt...
In a static electric field, the work required to move per unit of charge between two points is known as voltage. Mathematically, the voltage can be expressed as, Where work done is in joules and charge is in coulombs. We can define voltage as the amount of potential energy between two ...
The calculation for determining voltage unbalance is straight forward. The result is the percentage unbalance and can be used to determine next steps in troubleshooting motor issues. There are three steps in the calculation: Determine the voltage or current average ...
1.Different Low voltage on the energy storage side usually refers to energy storage batteries with a rated voltage below 48V or 51.2V, that is, the energy storage batteries and energy storage systems currently on sale at SRNE are all low-voltage energy storage batteries. ...
If you still find the concept of Voltage and Current confusing, these are some key differences between Voltage and Current: Voltage: The flow of electrical charges between the two-point of an electrical field. The ratio of work done is to charge. ...