sine galvanometer

简明释义

正弦电流计

英英释义

例句

1.The engineer used a sine galvanometer to measure the alternating current in the circuit.

工程师使用正弦电流计测量电路中的交流电。

2.The accuracy of the sine galvanometer is crucial for obtaining reliable measurements.

对于获得可靠的测量结果，正弦电流计的准确性至关重要。

3.A sine galvanometer can be used to visualize the phase difference between two alternating currents.

可以使用正弦电流计来可视化两个交流电之间的相位差。

4.In our physics lab, we demonstrated the working principle of a sine galvanometer with a simple circuit.

在我们的物理实验室，我们用一个简单的电路演示了正弦电流计的工作原理。

5.When calibrating the equipment, the technician checked the sine galvanometer settings.

在校准设备时，技术员检查了正弦电流计的设置。

作文

In the field of electrical engineering and physics, the ability to measure small currents is essential for various applications. One of the most effective tools for this purpose is the sine galvanometer, which is designed to detect and measure alternating current (AC) in a circuit. The sine galvanometer operates on the principle of electromagnetic induction, where a coil of wire is placed in a magnetic field. When an electric current passes through the coil, it generates a magnetic field that interacts with the external magnetic field, causing the coil to rotate. This rotation is proportional to the strength of the current flowing through the coil, allowing for precise measurements.The construction of a sine galvanometer typically includes a moving coil suspended within a permanent magnet's field. The coil is attached to a pointer that moves over a calibrated scale. As the current varies, the angle of rotation of the coil changes, and the pointer indicates the corresponding value on the scale. This setup enables the user to determine the sine of the angle of deflection, which directly correlates to the current's magnitude.One of the key advantages of using a sine galvanometer is its sensitivity. It can detect very low levels of current, making it invaluable in research laboratories and educational settings. For instance, when experimenting with circuits or studying electromagnetic principles, students can observe the effects of varying current levels in real-time, offering them a practical understanding of theoretical concepts.Moreover, the sine galvanometer is not limited to simple current measurements; it can also be used in more complex applications such as impedance measurement and phase angle determination. By incorporating additional components and techniques, engineers can utilize the sine galvanometer to analyze AC circuits more comprehensively. This versatility makes it a crucial instrument in both academic and industrial environments.Despite its many benefits, the use of a sine galvanometer does come with some challenges. For example, the device must be calibrated accurately to ensure precise readings. Factors such as temperature changes and mechanical wear can affect its performance, requiring regular maintenance and adjustment. Additionally, while the sine galvanometer is excellent for measuring sinusoidal waveforms, it may not perform as well with non-sinusoidal signals, which can complicate certain analyses.In conclusion, the sine galvanometer is a fundamental instrument in the study and application of electrical engineering. Its ability to measure small currents with high sensitivity makes it indispensable for both educational purposes and advanced research. Understanding its operation and applications allows students and professionals alike to appreciate the intricate relationships between electricity and magnetism, paving the way for innovations in technology and engineering practices. As we continue to explore the realms of electrical phenomena, the sine galvanometer will undoubtedly remain a valuable tool in our toolkit, helping us to unlock new discoveries and advancements in the field.

在电气工程和物理学领域，测量微小电流的能力对于各种应用至关重要。其中一种最有效的工具是sine galvanometer（正弦电流计），它旨在检测和测量电路中的交流电（AC）。sine galvanometer的工作原理基于电磁感应原理，其中一根线圈被放置在磁场中。当电流通过线圈时，它会产生一个与外部磁场相互作用的磁场，导致线圈旋转。这种旋转与流过线圈的电流强度成正比，从而允许精确测量。sine galvanometer的构造通常包括一个悬挂在永久磁场中的运动线圈。线圈连接到一个指针，指针在一个标定的刻度上移动。随着电流的变化，线圈的旋转角度也会改变，指针指示出相应的刻度值。这个设置使用户能够确定偏转角度的正弦值，这与电流的大小直接相关。使用sine galvanometer的一个主要优点是其灵敏度。它可以检测非常低水平的电流，使其在研究实验室和教育环境中不可或缺。例如，在实验电路或研究电磁原理时，学生可以实时观察电流水平变化的影响，为他们提供对理论概念的实际理解。此外，sine galvanometer不仅限于简单的电流测量；它还可以用于更复杂的应用，如阻抗测量和相位角确定。通过结合附加组件和技术，工程师可以利用sine galvanometer更全面地分析交流电路。这种多功能性使其成为学术和工业环境中至关重要的仪器。尽管有许多好处，使用sine galvanometer也面临一些挑战。例如，该设备必须准确校准以确保精确读数。温度变化和机械磨损等因素可能会影响其性能，需要定期维护和调整。此外，虽然sine galvanometer非常适合测量正弦波形，但在处理非正弦信号时可能表现不佳，这可能会使某些分析变得复杂。总之，sine galvanometer是电气工程研究和应用中的基本仪器。它以高灵敏度测量微小电流的能力使其在教育和先进研究中不可或缺。理解其操作和应用使学生和专业人士能够欣赏电力与磁力之间的复杂关系，为技术和工程实践中的创新铺平道路。随着我们继续探索电气现象的领域，sine galvanometer无疑将继续作为我们工具箱中的宝贵工具，帮助我们解锁该领域的新发现和进步。