Electricity for beginners

Author of the heading Andrey Grekovich

Основные сведения о переменном токе
Main data on alternating current

Variable is current in which mean value during force and tension is equal to zero. Such current continuously changes in size and the direction.

To read further
Молния с точки зрения электричества
Lightning from the point of view of electricity

The electric nature of the lightning was opened in researches of the American physicist B. Franklin at the initiative of whom experiment on extraction of electricity from the storm cloud was made.

To read further
О научных опытах
About scientific experiences

Isaac Newton in the childhood was very painful and lagged behind peers. Once in windy day children started the competition on long jumps.

To read further