potential differrence就是初中物理里的电压，potential energy在引力场叫重力势能，一般喜欢用公式mgh表达，但是在电场就叫电势能，也有公式的。总之势能是与物体位置相关的能量。本质原因是力做功导致的 前者是相对于0势能位置的势能，后者是指任意两个位置的势能差
Now the electrical potential difference V A->B is defined as the electrical potential energy divided by the charge. Find the electrical potential difference. What are the units for potential? q U V B A B A electrical potential difference B A B A l d E q l d E J/C=V Elect...
势能=Potential Energy (简称PE)重力势能=Gravitational Potential Energy (简称GPE)根据这个公式:Mechanical energy=potential energy+kinetic energy我想问的是,这里的potential energy是没有计算公式的,至少在我们书上是没有的,所以不可能涉及到,但是GPE是有公式的,GPE=mass·9.8m/s²·height.是不是potential energ...
Gravitational potential: gravitationalpotential energy(U) at that location per unit mass. In symbols:V=Um 下面演示下正确思考路径, 考虑某物体m2从∞点拿到某个距离物体m1为r1长度的位置,如下图所示: By convention, Infinity is U=0 which is the point where potential energy is 0. 因为我们有W=F→...
potential difference noun potential dif·fer·ence -ˈdif-(ə-)rən(t)s : the difference in electrical potential between two points that represents the work involved or the energy released in the transfer of a unit quantity of electricity from one point to the other compare ac...
This is the electric potential energy per unit charge. V=PEqV=PEq Since PE is proportional toq, the dependence onqcancels. ThusVdoes not depend onq. The change in potential energy ΔPE is crucial, and so we are concerned with the difference in potential or potential difference ΔVbetween tw...
美 英 na.【物】位能 网络势能;潜能;潜在能量 权威英汉双解 英汉 英英 网络释义 potential-energy n. 1. 势能the form of energy that an object gains as it is lifted
potential difference potential energy reach/realize one's full potential Rhymes forpotential essential sentential confidential differential inessential inferential pestilential quintessential unessential equipotential experiential geopotential See All Rhymes forpotential ...
5) Potential Difference 位差 例句>> 6) potential difference 势差,位差补充资料:位能 分子式:CAS号:性质:是流体在重力作用下,由于所居位置而具有的能量。如有质量为m,kg的流体,其所居的位置高出某基准水平面Z,m,则此流体的位能为,mgZ,kg·m2/s2或J。显然,Z值越大,此流体所具有的位能越高,相当...
This chapter illustrates that the electrical force on a charge q leads to electrical potential energy, denoted by U. The amount of electric potential energy equals the product of q and a quantity V called the electrical potential, whose unit is the volt. Just as for gravity, where only ...