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Describe the role of electric current as a source of magnetic field.
描述电流作为磁场源的作用。
How do you calculate the magnetic field
produced by current in a wire (Biot-Savart law)?
如何计算电流在导线中产生的磁场(毕奥-萨伐尔定律)?
Describe Ampere's law and the conditions
under which it can be used to calculate
magnetic fields.
描述安培定律及其在计算磁场时的使用条件。
Use Ampere's law to calculate the magnetic field
from an infinite straight wire.
用安培定律计算无限长直导线的磁场。
How can the Biot-Savart law by used to find the
magnetic field from a finite straight wire?
毕奥-萨伐尔定律如何用来求解有限直导线的磁场?
Describe the force on a straight, current-carrying
wire.
描述直导线中通有电流的导线所受的力
Describe the force between two straight
conductors.
描述两条直导体之间的力。
Describe the magnetic field of a current loop.
描述电流环的磁场
Show how to calculate the field at the
center of a current loop using Biot-Savart law.
How do you calculate the field on axis?
如何利用毕奥-萨伐尔定律计算电流环心处的磁场?如何计算轴线上某点的磁场?
What is a solenoid?
什么是螺线管?
Show how Ampere's law can be used to obtain
the magnetic field inside a long solenoid.
说明如何利用安培定律求得长螺线管内部的磁场。
Show how the Biot-Savart law can be used to
evaluate the field in a finite solenoid.
说明如何利用毕奥-萨伐尔定律计算有限长螺线管中的磁场。
Optional topics: Magnetic materials
可选主题:磁性材料
Describe the three main classes of
magnetic materials: paramagnetic,
diamagnetic, and ferromagnetic.
描述三种主要的磁性材料:顺磁性、抗磁性和铁磁性。
What is hysteresis?
什么是滞回?
Describe a magnetic dipole. Are all
magnetic sources dipoles?
描述一个磁偶极子。所有的磁源都是偶极子吗?
What is meant by "magnetic moment"?
What is the magnetic moment of an
electron?
什么是‘磁矩’?电子的磁矩是什么?
What is origin of the electron's magnetic
moment?
电子的磁矩的起源是什么?
Describe Gauss' law for magnetism. What
do we learn from it?
描述磁场的高斯定律。我们从其中学到什么?
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