Describe how an electrostatic telegraph works.

The negotiation points are connected with a number of wires equal to the number of letters; at the receiving point, each wire is connected to a ball with the corresponding letter. If you send a charge along one or another wire, then the ball will attract a piece of paper with the desired letter.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.