Mention any two advantages of an electromagnet over a permanent magnet .
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❤BE BRAINLY❤
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⤵⤵
☆ ELECTROMAGNET CAN BE SWITCH ON OR OFF ACCORDING TO OUR NEED.
☆ELECTROMAGNET CAN BE USED TO LIFT UP HEAVY MACHINE OR LOAD
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HOPE IT HELPS YOU ☺
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❤BY Pŕìýàńśhù❤
☆ ELECTROMAGNET CAN BE SWITCH ON OR OFF ACCORDING TO OUR NEED.
☆ELECTROMAGNET CAN BE USED TO LIFT UP HEAVY MACHINE OR LOAD
HOPE IT HELPS YOU ☺
❤BY Pŕìýàńśhù❤
Answered by
1
I am giving all the advantages :
Here is your answer :
⇒ The permanent magnet does not have electric current flow through it.
⇒ Electromagnets are made by passing electric current through it.
⇒ The strength of the magnetic field in permanent magnets cannot be changed.
⇒ The strength of the electromagnets can be changed by changing the amount of current in the magnet.
⇒ The direction of the magnetic field cannot be changed.
⇒ The direction of magnetic field can be changed in electromagnets.
⇒ The polarity of permanent magnets cannot be changed.
⇒ The polarity of the electromagnets can be changed.
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