Electromagnet​


 

• An electromagnet is an electrically powered magnet.​

 

• Electromagnets are made by coils of wire wrapped around an iron or steel core.​

 

• When current flows through this winding, a temporary strong magnetism is created in the core​

 

• This magnetism disappears almost completely when the current is turned off. The magnetic field is destroyed. This is called electromagnet.​

 

• Electromagnets are used in many devices such as Electric bells, cranes for lifting heavy objects, generators and motors, acoustic magnetism etc. ​


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