The direction of the magnetic field around a straight current-carrying wire is given by which rule? A. Left-hand rule B. Right-hand rule C. Fleming's left-hand rule D. Fleming's right-hand rule 相关知识点: 试题来源: 解析 B。本题考查磁学中的定则。右手定则用于判断直导线周围磁场的方向...
The direction of the magnetic field around a current - carrying conductor can be determined by _. A. Ohm's law B. Ampere's right - hand rule C. Coulomb's law D. Faraday's law 相关知识点: 试题来源: 解析 B。解析:安培右手定则可以用来确定载流导体周围磁场的方向。A选项欧姆定律是关于...
Apparatus for detecting the direction of a magnetic field includes a magnetoresistive device comprising an insulating substrate, first and second ferromagnetic metal film strips on the substrate for providing first and second main current conducting paths respectively perpendicular to each other, the ends...
In an electromagnetic field, the direction of the magnetic field is perpendicular to the direction of the electric field. If the electric field points north, the magnetic field cannot point ___. A. east B. south C. west D. north 相关知识点: 试题...
[translate] aThe direction of the magnetic field is in the same direction as the flow of mineral ions present in the water flowing in the pipe 磁场的方向在和一样矿物离子流程在流动在管子的水中提出的方向 [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语...
In a magnetic field, a compass needle always points in the direction of ___. A. the north pole of the magnet B. the south pole of the magnet C. east D. west 相关知识点: 试题来源: 解析 A。指南针在磁场中总是指向磁体的北极。选项 B 是磁体的南极,指南针指向的是北极;选项 C 和 D ...
When the direction of the current changes, the direction of the magnetic field will: A. not change B. change randomly C. change accordingly D. become zero 相关知识点: 试题来源: 解析 C。当电流方向改变时,磁场方向会相应改变,选项 C 正确。选项 A 不改变,错误;选项 B 随机改变,不准确;选项 D...
SENSOR FOR DETECTING THE DIRECTION OF A MAGNETIC 专利名称：SENSOR FOR DETECTING THE DIRECTION OF A MAGNETIC FIELD 发明人：WENDEL, Friedrich,KLOTZBUECHER,Thomas,SCHWEINFURTH,Reiner,KAZMIERCZAK, Harald,KOEBERLE,Bernd,ZEH, Matthias 申请号：EP2005054205 申请日：20050826 公开号：WO06/037695P1 公开日：2006...
The direction of the induced current in a conductor moving in a magnetic field can be determined by: A. Fleming's left-hand rule B. Fleming's right-hand rule Coulomb's law D. Ohm's law 相关知识点: 试题来源: 解析 B。本题考查判断感应电流方向的规则。选项 A“Fleming's left-hand rul...
This paper presents a new method which can not only measure the magnitude but also the direction of the magnetic field. A structure with a cantilever driven in different modes is used. The magnetic field direction and magnitude are detected by measuring the vibration amplitudes of the different ...