CURIOUS CAT:But do you know how electricity is made, and how it gets to the sockets in your home? GIRL #2:No. GIRL #1:No. CURIOUS CAT:Well, to find out, you will need to visit the electricity ...

The iron core increases the coil’s magnetic field strength. A simple electromagnet is made by coiling wire around an iron nail. An iron core makes a temporary electromagnet. It loses its ...