资源描述 单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,4.磁场(,magnetic field,)对电流(,electric current,)的作用,一.对运动电荷的作用,1.洛仑兹力(,Lorentz force,):,f =,q,v,B,大小:,f = q v B,sin,方向:右手螺旋法则(,right-handed screw rule,)(,...
§4.磁场(magnetic field)对电流(electric current)的作用 一.对运动电荷的作用 1.洛仑兹力(Lorentz force):f = q v×B 大小: f = q v B sinθ 方向:右手螺旋法则(right-handed screw rule)( q>0 q<0) 2.运动轨迹(匀强磁场) V⊥B:匀速圆周运动 半径: 周期: 2.磁力矩(magnetic moment) ( 仅...
A net flow of charge constitutes an electric current. It is as electric currents that charges are of greatest practical use. The chapter studies electric currents by introducing the ampere as the unit of electric current. One ampere equals a rate of charge flow of 1 C/s. The effect on ...
currentmagneticelectric一條條磁力一條長 文憑溫習室3.2.電流的磁效應(MagneticEffectofanElectricCurrent)3.2.1.認識電荷運動和電流產生的duetoMovingChargesorElectricCurrentsl除咗磁鐵,科學家亦發現運動中嘅電荷同電流都會產生磁場n依個就係“電流的磁效應”。3.2.2.檢測載流長直導體、圓形線圈和長螺線管所產生的磁...
This chapter discusses the principles of magnetic field of electric current. Electric currents create magnetic fields. This discovery by Oersted has been described quantitatively in two distinct ways: (1) Biot and Savart proposed a relation in differential form that is somewhat analogous to a ...
网络电流的磁效应 网络释义 1. 电流的磁效应 载流螺线形线圈的磁效应 ... 安培右手则( right hand rule)电流的磁效应(magnetic effect of electric current) ... pei.cjjh.tc.edu.tw|基于8个网页
相关推荐 1In this chapter we will()the magnetic effects of the electric current. A.deal with B.deal in C.trade with D.drop in 2In this chapter we will()the magnetic effects of the electric current. A. deal with B. deal in C. trade with D. drop in ...
Electromagnets are temporary and are made using a long insulated copper wire wrapped around a soft iron core. Current is passed through this copper wire. Electromagnets are used in electric bells, maglev trains and in MRI machines. 2. Explain properties of diamagnetic substances. ...
Its electric power potential – infinitely high electric power potential with infinite energy density at the beginning of the big bang that can be decharged/decompressed into an electric current, and as we know from current understanding, every moving charge, every moving electric current creates a...
美 英 n.电磁的 网络词磁 英汉 网络释义 n. 1. 电磁的 释义: 全部,电磁的,词磁