electrostatic induction

简明释义

静电感应

英英释义

例句

1.When a charged object is brought near a neutral conductor, it causes a redistribution of charges due to electrostatic induction.

当带电物体靠近中性导体时，由于静电感应，它会导致电荷的重新分布。

2.Using electrostatic induction, we can charge an object without direct contact.

通过静电感应，我们可以在不直接接触的情况下给物体充电。

3.The principle of electrostatic induction is utilized in many electronic devices, such as capacitors.

许多电子设备（如电容器）利用了静电感应的原理。

4.In electrostatic induction, the side of the conductor closest to the charged object becomes oppositely charged.

在静电感应中，靠近带电物体的导体侧变为相反电荷。

5.The phenomenon of electrostatic induction can be observed when a negatively charged rod is placed near a metal sphere.

当一个带负电的棒子靠近金属球时，可以观察到静电感应现象。

作文

Electrostatic induction is a fundamental concept in electrostatics, which refers to the process by which an electrically neutral object becomes polarized when exposed to an electric field. This phenomenon occurs due to the redistribution of electric charges within the material. When a charged object is brought near a neutral conductor, it induces a separation of charges in the conductor. The side of the conductor closest to the charged object acquires a charge opposite to that of the charged object, while the far side develops a charge of the same kind. This process exemplifies the principle of electrostatic induction (静电感应), demonstrating how electric fields can influence the distribution of charges in nearby materials.Understanding electrostatic induction (静电感应) is crucial in various applications, including capacitors, sensors, and even everyday devices. For instance, consider a scenario where a negatively charged rod is brought close to a metal sphere. The negative charges within the sphere are repelled away from the rod, causing the surface of the sphere nearest to the rod to become positively charged, while the opposite side becomes negatively charged. If the sphere is then grounded, the negative charges can escape into the ground, leaving the sphere with a net positive charge. This illustrates how electrostatic induction (静电感应) can be used to create charged objects without direct contact.In practical terms, electrostatic induction (静电感应) is employed in various technologies. For example, in electrostatic precipitators used in air pollution control, particles are charged and then collected on oppositely charged plates through the process of induction. Similarly, in capacitive touch screens, the presence of a finger can induce a change in the electric field, allowing the device to detect touch without any physical pressure.Moreover, electrostatic induction (静电感应) plays a role in lightning formation. During a thunderstorm, strong winds can cause a separation of charges within clouds, leading to regions of positive and negative charges. Eventually, this charge separation can result in a discharge of electricity in the form of lightning, illustrating the power of electrostatic induction (静电感应) in nature.In conclusion, electrostatic induction (静电感应) is a vital principle in understanding how electric fields interact with materials. Its implications stretch across various fields, from industrial applications to natural phenomena. By grasping the concept of electrostatic induction (静电感应), we can better appreciate the intricate behaviors of charged particles and their influence on the world around us. Whether in technology or nature, the effects of electrostatic induction (静电感应) remind us of the unseen forces that shape our environment.

静电感应是电静力学中的一个基本概念，指的是在电场的作用下，一个电中性物体变得极化的过程。这一现象由于材料内电荷的重新分布而发生。当一个带电物体靠近一个中性导体时，它会在导体内部引发电荷的分离。靠近带电物体的导体一侧获得与带电物体相反的电荷，而远离带电物体的一侧则产生相同类型的电荷。这个过程体现了静电感应的原理，展示了电场如何影响附近材料中电荷的分布。理解静电感应对于各种应用至关重要，包括电容器、传感器，甚至日常设备。例如，考虑一个负电荷的棒子靠近一个金属球的场景。球内的负电荷被棒子排斥，导致靠近棒子的一侧表面变得带正电，而另一侧则带负电。如果球接地，负电荷可以逃逸到地面，留下净正电荷。这说明了如何利用静电感应来创建不直接接触的带电物体。在实际应用中，静电感应被应用于各种技术中。例如，在用于空气污染控制的静电除尘器中，颗粒被电荷化，然后通过感应过程收集到相反电荷的板上。同样，在电容式触摸屏中，手指的存在可以引发电场的变化，从而使设备能够在没有任何物理压力的情况下检测触摸。此外，静电感应在闪电形成中也起着作用。在雷暴期间，强风可能会导致云内部电荷的分离，形成正负电荷区域。最终，这种电荷分离可能导致以闪电形式释放电能，说明了静电感应在自然界中的强大力量。总之，静电感应是理解电场如何与材料相互作用的一个重要原则。其影响遍及各个领域，从工业应用到自然现象。通过掌握静电感应的概念，我们可以更好地欣赏带电粒子的复杂行为及其对我们周围世界的影响。无论是在技术还是自然中，静电感应的效果提醒我们看不见的力量塑造着我们的环境。