Короткое замыкание (что это такое?)

A short circuit is most often dangerous. In the video, we will tell you everything you need to know about a short circuit in a simple and interesting form. Let's consider why it occurs and what is dangerous. The phenomenon of a short circuit itself is a process of unintentional contact interaction between two opposite phases or poles of a current source, which deliberately deviates from the design. A short circuit most often occurs due to an insulation fault. The short circuit current significantly exceeds the current at which the device should have worked or the electrical network should have functioned. A short circuit is an unpleasant and undesirable factor. That is why, in practice, short circuit protection is used, which is a special circuit breaker. After all, a short circuit usually leads to a fire or destruction of the electrical circuit. The calculation of short circuit currents is made according to the same Ohm's law, which we already talked about in previous issues. The conductor heats up due to the Joule-Lenz law. In fact, the main law by which a short circuit occurs is Ohm's law. In this lesson, we will try to understand the complexity of this seemingly very simple natural phenomenon. We will learn how to protect ourselves from a short circuit, we will see how to protect ourselves from electric shock. Well, thanks to the studied theory, we will learn how to solve problems on this topic.