结果1 题目The SI unit of electric charge is ___. A. coulomb B. volt C. ampere D. ohm 相关知识点: 试题来源: 解析 A。电荷量的国际单位是库仑(coulomb);volt 是电压单位;ampere 是电流单位;ohm 是电阻单位。所以选 coulomb。反馈 收藏
The phenomenon of electric charges flowing through a conductor is called ___. A. induction B. conduction C. radiation D. reflection 相关知识点: 试题来源: 解析 B。解析:电荷在导体中流动的现象叫传导(conduction)。选项 A“induction”是感应;选项 C“radiation”是辐射;选项 D“reflection”是反射。...
Archive for Rational Mechanics & AnalysisR.J. Duffin, The potential energy of an electric charge, Arch. Rational Mech. Anal. 15(1964) 305-310.Duffin , R. J., The potential energy of an electric charge. Arch. Rational Mech. Anal. 15 , 305–310 (1964)....
electric charge- the quantity of unbalanced electricity in a body (either positive or negative) and construed as an excess or deficiency of electrons; "the battery needed a fresh charge" charge electrostatic charge- the electric charge at rest on the surface of an insulated body (which establishe...
结果1 题目 Electricity is the energy made available by the flow of electric charge through a conductor. It is carried by wires or produced by Battery and is used to power machines. ___A、正确B、错误 相关知识点: 试题来源: 解析 正确 反馈 收藏 ...
(Electrical potential)is essential to the range and power of electric energy.When an electric charge exists within an object,a force is exerted from its electrical field.This accelerates the object in a direction either towards or away from the charge,depending on the electromagnetic polarization。
The elementary charge cannot be destroyed, and it is this fact that constitutes the content of the law of conservation of electric charge on the microscopic level. There is a positive and a negative elementary charge; in this case, an elementary particle and its antiparticle have charges of ...
The electric potential energy of the group of charges is equal to the work done to assemble the charges from infinity to their present configuration. The electric potential energy of the group of the charges can be negative or positive....
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Maximize the electric force? b. Minimize the electric force? All the charges in the figure have the same magnitude, in which case does the electric field at the dot have the largest magnitude? If the electric potential energy is 75.0 J, what is the magnitude of the force betwe...