Electromagnets are used to control the switches in relay. This is important especially when it comes to things like making a telephone call. The first telephones made use of a type of relay called a reed switch it not only helped to connect calls but performed the rudimentary logic and memory functions.ou can say that the electromagnet made much of the modern age possible harnessing electricity as a practical force in the same way that mankind used windmills and dams to harness wind and water. Here are some of the ways that electromagnets are used. diagram of how a magnetic levitation train works credit:BBC.
Answer If it is spelled with two r's, as in 'perrito' it means little dog. perito (spelled with one 'r') is a word in Spanish that means 'expert'. Go Log In Sign Up
dito. Normally the best friend of a guy that may like you or of a guy who wants to know everything that you do. Ditos have eyes on the back of their HEADS so WATCH OUT!! They tell the guy EVERYTHING that you do and then some.