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...
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...
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]
5 Questions regarding magnetic fields and magnetic field lines 3 Why is the direction of magnetic field from South to North Pole inside a magnet? 0 A question about the magnetic field and magnetic poles of a solenoid 0 Magnetic field lines inside a bar magnet 2 What is the direction ...
The flow of current determines the direction of the magnetic field of the magnet bar. When the electric current flows in the straight wire, the...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your...
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 ...
22 A proton enters a region of uniform magnetic field. The direction of the particle's velocity is parallel to the direction of the magnetic field as shown in the diagram below.region of uniform magnetic field proton Which of the following diagrams correctly shows the path of the proton while...
Magnetic compass electronic engineering which has an inclined sensing device and two magnetic field sensor three, the direction of the geomagnetic field that might be disturbed (57) by the current materials and magnetic firmly fixed to the Abstract apparatus Methods for measuring using is provided. ...
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 ...
In my class, I was taught about Biot Savart Law and how to calculate direction of magnetic field as a cross product of radial vector from current element and the length vector of current element. But I am not able to understand why magnetic field have been assigned such ...