How does a scrap heap magnet work?

9 ANSWERS

1. Guest22679971
   

   A scrap heap amgnet works as it is an electromagnet. It is an iron core with copper wire coiled around it. This produces a strong magnetic feild picking up heavy metal in a scrapyard.

   Report (0) (1)  |   2 years, 3 month(s) ago  

2. Guest22660460
   

   i dont know but i neeed it 4r ms james class in science in hwgs

    

   Report (0) (0)  |   2 years, 3 month(s) ago  

3. Guest22569621
   

   A scrap heap magnet is an electromagnet which can lift a load of heavy metal. It has a load of coil wrapped around it really tightly to make it stronger. Its normally lifted on a crane and is really strong...simple!

    

   Report (0) (0)  |   2 years, 4 month(s) ago  

4. Guest20741023
   

   that what iam asking

   Report (0) (1)  |   2 years, 8 month(s) ago  

5. Guest17172797
   

   Same answer as Guest15305070 but the switch is a relay circuit--- click on url for more info----- http://www.hobbyprojects.com/components/electromagnetic_relay.html

   Report (2) (2)  |   3 years, 2 month(s) ago  

6. Guest16699683
   

   The scrap heap magnet is nothing but a heavy electromagnet. On a soft iron core thick insulated copper wire is wound. As the magnetic power of an electromagnet is depending upon the current, number of turns in the coil, the copper wire should be able to withstand heavy current and more number of turns will create very strong magnetic field. When the current passes it will become a very strong magnet and will attract all the magnetic materials in the scrap. When there is no current the core gets dememagnetised and all the magnetic materials will be falling down from it . i got this from someone else not my own answer.

   Report (6) (2)  |   3 years, 3 month(s) ago  

7. Guest15305070
   

   Coiled wires are in a loop, electric current is passed through these coils and a magnetic field is created. But there is a cool dude on it The "SCRAP HEAP MAGNET" is nothing but a heavy electromagnet. On a soft iron core (because, there should not be any retentivity) thick insulated copper wire is wound. As the magnetic power of an electromagnet is depending upon the current, number of turns in the coil, the copper wire should be able to withstand heavy current and more number of turns will create very strong magnetic field. When the current passes it will become a very strong magnet and will attract all the magnetic materials in the scrap. When there is no current the core gets dememagnetised and all the magnetic materials will be falling down from it . This arrangement is fitted at the tip of the cable of a crane and the operating switch will be near the operators cabin. The crane will be brought near the scrap, and the operator switch the magnet on and all the scrap will be attracted by the magnet. Then the crane will be turned to another place the operator switches the magnet off. All the scraps will be falling down. Instead of a soft iron core ( less retentivity) anyother material with high retentivity is used even after switching it off the scrap will not bec falling down.

   Report (9) (3)  |   3 years, 4 month(s) ago  

8. Guest15201236
   

   i havee nooooo idea!! i need that answerr too btw!!

   Report (5) (8)  |   3 years, 4 month(s) ago  

9. Guest13630295
   

   Science homework from Mr.Craven?? In Tolworth Girl's school?

   Report (1) (11)  |   3 years, 6 month(s) ago  

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