armagedon (Mariana Lover): Electromagnets are made by winding wire around a piece of soft iron and then running a current through the wire. *
24-08-09 - 22:50:16

armagedon (Mariana Lover): The switch completes 0r breaks a circuit. *
24-08-09 - 22:58:37

armagedon (Mariana Lover): The fuse is a safety device that automatically breaks an electric circuit. *
24-08-09 - 23:00:20

armagedon (Mariana Lover): The use of electricity has improved our homes, transportation, industries, and science. *
24-08-09 - 23:01:57

armagedon (Mariana Lover): Electricity can be dangerous at times. *
24-08-09 - 23:02:48