Magnetic field, a vector field in the neighborhood of a magnet, electric current, or changing electric field, in which magnetic forces are observable. Magnetic fields such as that of Earth cause magnetic compass needles and other permanent magnets to lin
Magnetic___exists around the magnet, having its___size and directiion, while magnetic___of electric current means that magnetic field existd around the current . We___the direction of magnetic field by right-hand screw___ 从以下单词中选择正确的形式完形填空。 (effect, own , judge , field...
magnetic field n. A condition found in the region around a magnet or an electric current, characterized by the existence of a detectable magnetic force at every point in the region and by the existence of magnetic poles. American Heritage® Dictionary of the English Language, Fifth Edition. ...
美 英 na.磁场 网络的磁场 复数:magnetic fields 权威英汉双解 英汉 英英 网络释义 magnetic-field n. 1. 磁场an area around a magnet or magnetic object, where there is a force that will attract some metals towards it 例句
9.1 shows the magnetic field pattern around a single bar magnet.A-B Fig.9.1(i) On Fig. 9.1, mark the north and south poles of the magnet, using the letters N and S.2(ii) A small piece of unmagnetised iron is placed at A.What, if anything, happens to it?[1(iii) A small ...
Magnetic permeability, change in the resultant magnetic field inside a material compared with the magnetizing field in which the given material is located. or the magnetic flux density B established within the material divided by the magnetic field stren
Magnetic field definition: a region of space near a magnet, electric current, or moving charged particle in which a magnetic force acts on any other magnet, electric current, or moving charged particle.. See examples of MAGNETIC FIELD used in a sentence.
The field magnet child and the magnetic core and the armature and motor nullPROBLEM TO BE SOLVED: To prevent deterioration of the magnetic characteristics of a magnetic rotor or of an armature.近藤 俊成浅野 能成中増 伸
The magnetic force felt by a mineral particle is dependent not only on the value of the field intensity, but also on the field gradient (the rate at which the field intensity increases across the particle toward the magnet surface). As paramagnetic minerals have higher (relative) magnetic perme...
(Ga,Mn) As/GaAs heterojunction without magnetic field Qing Wu1,Yu Liu1, Hailong Wang2,Yuan Li1, Wei Huang1, Jianhua Zhao2 &Yonghai Chen1 In the absent of magnetic field, we have observed the anisotropic spin polarization degree of photoconduction (SPD-PC) in (Ga,Mn...