What is a potential difference? What potential difference is life threatening?

In physical science, the phenomenon formed due to the presence of a potential difference is called “voltage”. The voltage can take on different values. Some voltage values are dangerous for living organisms. Such values start from a value of 220 V.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.