Electromagnetic waves have been generated by alternating current (AC), that is the electric power used to operate pretty much every single appliance and/or technologies in our homes and lives - from washing machines to televisions into our mobile devices.
Mmiri nke electromagnetic na-emepụta site na ugbu a (AC), nke bụ ike eletrik na-eji arụ ọrụ dị ukwuu nke ngwa ngwa na / ma ọ bụ teknụzụ n'ụlọ na ndụ anyị - site na igwe ọkụ na telivishọn na ngwaọrụ mkpanaka anyị.