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 C. 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...
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 ...
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...
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...
Damping in front of the direction of current-carrying, in a magnetic field oscillating strings, in particular for oscillograph, for the photographic sound recording 机译:尤其在用于示波器的磁场振荡弦中,在载流方向的前面产生阻尼,用于照相声音记录 ...
Amirabadizadeh A, Mardani R, Ghanaatshoar M. The effect of current frequency and magnetic field direction in alternative current field annealing on the GMI and magnetic properties of Co-based wires. J Alloys Compd. 2016;661:e501-e507.
aIt doesn't matter I have medicine I am not afraid of cancer cells。 没关系我有我不害怕癌细胞的医学。[translate] atimming belt timming的传送带[translate] ai love being a admirer 我喜爱是钦佩者[translate] afirst determine the operating current in one direction and the magnetic field directio...
13 The diagram shows the direction of the Earth's magnetic field over a region of the Earth where the magnetic flux density is 4.4 × 103T. The magnetic field in a vertical plane,acts at 65°to the horizontal.(a)Calculate the magnitude of the vertical component of the Earth's magnetic ...
aSHIPPING MARK 运输标记 [translate] aThe electromagnetic coupling regulator controller can be ensure the generator output the stable voltage by changing the quantity and direction of the electromagnetic winding excitation current to adjust the air gap size in the magnetic field 电磁式联结管理者控制器...
By using a compass to measure the magnetic field direction at various points adjacent to a long straight wire, you can show that the wire’s magnetic field lines are A. straight lines in space that go from one magnetic charge to another. B. straight lines in space that are parallel to ...