Electromagnetism by Isa https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t en-us 2023-05-12 13:59:09 UTC 2025-11-06 14:43:13 UTC hello@padlet.com https://padlet.net/icons/png/1f9f2.png Electric Current:) Isachu_IES https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2592699294 An electric current is the movement of particles that starts when an external voltage is applied to one end of a conductor.]]> 2023-05-16 08:06:45 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2592699294 Electromagnets:) skincaid11 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2592702686 An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. . A current through the wire creates a magnetic field which is concentrated in the hole in the center of the coil. ]]> 2023-05-16 08:09:16 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2592702686 Uses of electromagnets in our live ndemiguel1 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2592708606 They are present in everyday life: the microphone, the speakerphone, the microwave oven, the doorbell, electric car, smatphone, PCs, washing machine, TV, watch....]]> 2023-05-16 08:13:06 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2592708606 Advantage... skincaid11 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2592710794 The main advantage of an electromagnet over a permanent magnet is that the magnetic field can be quickly changed by controlling the amount of electric current in the winding. However, unlike a permanent magnet that needs no power, an electromagnet requires a continuous supply of current to maintain the magnetic field.]]> 2023-05-16 08:14:32 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2592710794 What is an electric current used for? Isachu_IES https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2592711604 Electric current is used to transmit electrical energy through a circuit, for the purpose of operating electrical appliances.]]> 2023-05-16 08:15:08 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2592711604 Electricity and magnetism similarities arosario61 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2592712437 Electricity and magnetism are essentially two aspects of the same thing, because a changing electric field creates a magnetic field.]]> 2023-05-16 08:15:49 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2592712437 How produce elctromagnets xfernandez24 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597604472
Using electricity we can create a magnetic field by forcing electrons to move in the same direction.]]> 2023-05-19 13:16:23 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597604472 How is it possible for magnets to apply a force over a distance? arosario61 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597609633 A magnet can exert force over a distance because the magnet is surrounded by a magnetic field. ]]> 2023-05-19 13:21:14 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597609633 Uses of electromagnets in our live ndemiguel1 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597610162 The doorbell.
The doorbell generates a sound  
when a button is pressed. It works through an electromagnet that receives the electricity, so it generates a magnetic field (a magnet effect) that attracts a small hammer that impacts against the bell and emits a sound.]]> 2023-05-19 13:21:46 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597610162 xfernandez24 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597610648 Electromagnets can be created by wrapping a wire around an iron nail and running current through the wire. The electric field in the wire coil creates a magnetic field around the nail.]]> 2023-05-19 13:22:15 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597610648 Who invented the electromagnet?:) skincaid11 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597611459 In 1825 William Sturgeon developed the first practical electromagnet by loosely winding a coil of un-insulated wire around a horseshoe-shaped piece of iron. To prevent the wire from shorting Sturgeon coated the iron in varnish.]]> 2023-05-19 13:23:01 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597611459 How is electric current produced?:) Isachu_IES https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597615784 An electromotive force is needed to order the movement of electrons. The e.m.f. not only commands the electrons but also gives them the necessary force to circulate in the conductor.]]> 2023-05-19 13:27:12 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597615784 Magnetic force distance arosario61 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597616509 The important thing to remember is that force is inversely proportional to distance squared (i.e. it obeys an inverse square law with distance). ]]> 2023-05-19 13:27:49 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597616509 How electromagnetism works xfernandez24 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597620000 2023-05-19 13:30:59 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597620000 What generates electromagnetic waves? xfernandez24 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597636649 2023-05-19 13:46:25 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597636649 why is magnetic force a field force? arosario61 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597637105 The four fundamental forces of nature, and is caused by the motion of charge . Two objects containing charge with the same direction of motion have a magnetic attraction force between them.]]> 2023-05-19 13:46:48 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597637105 Uses of elctromagnet in our live ndemiguel1 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597643301 The electrical engine.
It is a device that converts electrical energy into mechanical energy. The electrical energy produces magnetism, in the way it moves the axis of engine producing movement.


]]> 2023-05-19 13:52:20 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597643301 Who was the creator of the electric current? Isachu_IES https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597647300 It was discovered by the English chemist and physicist Michael Faraday (1791 - 1867), when moving a magnet through a closed circuit of conducting wire generated an electric current.]]> 2023-05-19 13:56:29 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597647300 Uses of electromagnet in our live ndemiguel1 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597651765 The microwave oven.
It is an electric oven that generates electromagnetic radiation at microwave frequency. These radiations vibrate the water molecules of the food, which produces heat quickly, cooking it.]]> 2023-05-19 14:00:41 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2597651765 Fun facts:) skincaid11 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2604820989                                         
1. Cranes use huge electromagnets to pick up scrap metal in junkyards.
2. Electromagnets use electricity to create their power of magnetism. 
3. Powerful electromagnets are used in high-speed trains, called Maglev trains.
]]> 2023-05-25 12:50:47 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2604820989 Thats the enddddd:) skincaid11 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2614814130 Thanks for listening:)]]> 2023-06-05 13:32:40 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2614814130 arosario61 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2615657737 2023-06-06 09:07:36 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2615657737 HI:) skincaid11 https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2615662507 This our padlet:)
It's created by: Isabel, Gabriel, Nuño, Xuan and Sofia
We hope you like it:)]]> 2023-06-06 09:12:58 UTC https://padlet.com/holiiiiiiiii/9mzpms8bnuf80n9t/wish/2615662507