descriptive and mathematical. The electric field is the driver of the EM wave power. The source of the EM wave makes a sinusoidal electric field continuously then the changing electric field makes a magnetic fi
Magnetic fields are created by permanent magnets or by currents, i.e., by moving electric charges. A moving electric charge is surrounded by an electric field and a magnetic field. In its rest frame, an electric charge generates an electric field, but no magnetic field. Electric and magnetic...
3.Electric field,magnetic fieldand electromagnetic fieldenvironmental questions;电场、磁场和电磁场的环境问题 英文短句/例句 1.The force exerted by a magnetic field.磁力由磁场施加的力 2.The electric and magnetic fields have been amalgamated into electromagnetic field tensor.电场和磁场合并为电磁场张景。 3...
美 英 na.磁场 网络磁场是磁性场;磁场上;电磁场 复数:magnetic fields 英汉 英英 网络释义 na. 1. 磁场
as引导定语从句.B与…同样的,强调的是类型的相同.C如此…以致于…,后跟从句.D相同的、哪个,不符合.由magnetic field 磁场和electric field电场,可知,应该用the same; as,选B. 点评 形容词的种类有很多,要根据具体语境选择适当的形容词.抓住关键词语,分析用法,完成试题.练习册系列答案 ...
The integrated experiment used demonstrated that, in conjunction with the superconducting coil, greater homogeneity and a stronger magnetic field not only caused more even cathode ablation and improved its lifespan but also improved the performance of the MPDT (maximum thrust was 4 N at 150 kW, ...
I want to simulate this magnet (see attached file) and then see the effect of the induced magnetic field in a conducting disk that is situated under the magnet. I choose the magnetic and electric filds (mef) physics. I have again the error message: singular matrix Thanks in advance. Ha...
Magnetic field is supplied by an electromagnet . Reciprocating movement and Brayton magnetic refrigeration cycle are adopted. 此系统利用电磁体提供磁场,采用往复运动方式,实现布雷顿循环. 来自期刊摘选 22. Without them you can't know what electric flux or magnetic field are, and on and on. 没有它们你...
相关知识点: 试题来源: 解析 For electromagnetic waves, electric field and magnetic field are always perpendicular to each other and also perpendicular to the direction of propagation of electromagnetic wave. 反馈 收藏
Used the combination of confluent hypergeometic function and perturbation theory,this paper discusses two-dimensional hydrogen atom s splitting energy level in the magnetic field and crossed electric-magnetic fields. 利用合流超几何函数与微扰理论分别讨论了在磁场、电场、交叉电场和磁场中的二维氢原子低激发...