ampere per meter

简明释义

安培米

英英释义

例句

1.The magnetic field strength is measured in ampere per meter, which indicates how strong the magnetic field is at a given point.

磁场强度以安培每米为单位测量，表示在给定点的磁场强度有多强。

2.To calculate the force on a wire in a magnetic field, you need to know the current in ampere per meter.

要计算在磁场中导线上的力，你需要知道以安培每米为单位的电流。

3.In laboratory experiments, the magnetic field is often controlled and measured in ampere per meter.

在实验室实验中，磁场通常以安培每米为单位进行控制和测量。

4.In electrical engineering, the unit of ampere per meter is crucial for designing transformers and inductors.

在电气工程中，安培每米这一单位对于设计变压器和电感器至关重要。

5.The strength of the electric field can be expressed in ampere per meter when discussing electromagnetic waves.

在讨论电磁波时，电场的强度可以用安培每米来表示。

作文

Understanding the concept of electromagnetic fields is crucial for anyone studying physics or engineering. One of the key measurements used in this field is the term ampere per meter, which is a unit of measurement that describes the strength of a magnetic field produced by an electric current. In simpler terms, it quantifies how much current flows through a wire and how that current generates a magnetic field around it. This relationship is fundamental in various applications, including electric motors, transformers, and even in the design of electronic devices. To better grasp the significance of ampere per meter in practical scenarios, consider the example of a straight wire carrying an electric current. According to Ampère's Law, the magnetic field around the wire can be calculated using the formula B = (μ0 * I) / (2 * π * r), where B is the magnetic field strength in teslas, μ0 is the permeability of free space, I is the current in amperes, and r is the distance from the wire in meters. Here, we see how the current in amperes directly influences the magnetic field strength measured in ampere per meter. Furthermore, the concept of ampere per meter is not only limited to straight wires. It also applies to coils of wire, such as solenoids. When a current flows through a coil, the magnetic field inside the coil can be expressed in terms of ampere per meter. The tighter the coil and the greater the number of turns, the stronger the magnetic field generated. This principle is extensively utilized in designing electromagnets, relays, and inductors, which are essential components in many electronic circuits.In practical applications, understanding how to manipulate and measure ampere per meter allows engineers to design more efficient systems. For instance, in electric motors, knowing the magnetic field strength helps in calculating the torque and overall performance of the motor. Similarly, in wireless charging systems, the principles of ampere per meter help optimize the transfer of energy between coils without direct contact. Moreover, the significance of ampere per meter extends beyond engineering. In the field of medicine, magnetic resonance imaging (MRI) relies on strong magnetic fields to produce detailed images of the body. The strength of these magnetic fields is often expressed in terms of ampere per meter, demonstrating its importance in healthcare technology. In conclusion, the term ampere per meter is more than just a unit of measurement; it is a critical component in understanding the behavior of electric currents and their associated magnetic fields. Whether in engineering, medicine, or everyday technology, the implications of this measurement are vast and impactful. By comprehending how ampere per meter relates to various applications, students and professionals can better appreciate the intricate world of electromagnetism and its role in shaping modern technology.

理解电磁场的概念对于任何学习物理或工程的人来说都是至关重要的。在这个领域中，一个关键的测量单位是术语每米安培，它描述了由电流产生的磁场的强度。简单来说，它量化了流经电线的电流以及该电流如何在其周围产生磁场。这种关系在各种应用中是基础，包括电动机、变压器，甚至在电子设备的设计中。为了更好地理解每米安培在实际场景中的重要性，考虑一个携带电流的直线电线的例子。根据安培定律，围绕电线的磁场可以使用公式B = (μ0 * I) / (2 * π * r)进行计算，其中B是以特斯拉为单位的磁场强度，μ0是自由空间的磁导率，I是以安培为单位的电流，r是距离电线的米数。在这里，我们看到安培的电流直接影响以每米安培为单位测量的磁场强度。此外，每米安培的概念不仅限于直线电线。它还适用于线圈，例如电磁铁。当电流通过线圈时，线圈内部的磁场可以用每米安培表示。线圈越紧，圈数越多，产生的磁场就越强。这一原理广泛应用于电磁铁、继电器和电感器的设计，这些都是许多电子电路中的重要组件。在实际应用中，理解如何操控和测量每米安培使工程师能够设计出更高效的系统。例如，在电动机中，了解磁场强度有助于计算扭矩和电动机的整体性能。同样，在无线充电系统中，每米安培的原理帮助优化能量在不接触的情况下在线圈之间的传输。此外，每米安培的重要性超越了工程领域。在医学领域，磁共振成像（MRI）依赖强磁场来生成身体的详细图像。这些磁场的强度通常以每米安培表示，显示了它在医疗技术中的重要性。总之，术语每米安培不仅仅是一个测量单位；它是理解电流行为及其相关磁场的关键组成部分。无论是在工程、医学还是日常技术中，这一测量的影响都是广泛而深远的。通过理解每米安培与各种应用的关系，学生和专业人员可以更好地欣赏电磁学的复杂世界及其在塑造现代技术中的作用。