11 Bell-Electromagnet concept map by Jasmine Sharp-Higgins https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb en-us 2021-02-25 10:08:09 UTC 2021-02-25 15:25:18 UTC hello@padlet.com https://padlet.net/icons/png/1f9f2.png Electro magnets are electronic magnets LiseliFundi https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241032802 2021-02-25 13:58:30 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241032802 Magnetic fields of electromagnets are produced by an electric current. jally001209 https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241036271 2021-02-25 13:59:10 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241036271 You can increase the strength of an electromagnet by increasing the current or increasing the number of coils. preciouss https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241049543 2021-02-25 14:01:33 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241049543 you cant see a magnetic field , but observe what effect it has around morrk128209 https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241049948 2021-02-25 14:01:38 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241049948 you can increase the strength of an electromagnet by adding a iron core, increasing the current or the number of coils danss005209 https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241050050 2021-02-25 14:01:39 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241050050 Electromagnets stant058209 https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241053434 Can be increased by increasing the current, adding a iron core and adding more coils. ]]> 2021-02-25 14:02:13 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241053434 The magnetic field around an electromagnetic is just the same as the one around a bar magnet, but it can be reversed by reversing the current xoxo https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241054837 2021-02-25 14:02:29 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241054837 electromagnet is a coil of wire with a current running through it danss005209 https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241062173 2021-02-25 14:03:45 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241062173 electromagnets can be turned on and off unlike a bar magnet morrk128209 https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241067862 2021-02-25 14:04:44 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241067862 Electromagnetic Induction is the Induction of a potential difference in a wire which is experiencing a change in magnetic field. raymm017209 https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241070792 2021-02-25 14:05:14 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241070792 Two poles the same will repel stant058209 https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241071782 2021-02-25 14:05:25 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241071782 strength of the magnetic field can vary morrk128209 https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241079012 - unlike bar magnets ]]> 2021-02-25 14:06:43 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241079012 a wire wrapped into a col with a current running through it is known as a solenoid, it also has a magnetic field <333 danss005209 https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241080025 2021-02-25 14:06:55 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241080025 stant058209 https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241082428 2021-02-25 14:07:21 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241082428 You can use your right-hand thumb rule to work out which way the current and magnetic field are. raymm017209 https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241100308 2021-02-25 14:10:32 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241100308 magnetic fields : morrk128209 https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241109170 never cross 
go to north to south 
are continous 
closer lines - stronger forces ( when drawing :) )]]> 2021-02-25 14:12:07 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241109170 The right-hand rule shows the current going away from you stant058209 https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241117261 2021-02-25 14:13:34 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241117261 A bar is a permant magnet because its always magnetic - which has disad morrk128209 https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241117316 2021-02-25 14:13:35 UTC https://padlet.com/jsharphiggins209/ptx5k2ie0jdb2gsb/wish/1241117316