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SSC JE Electrical Engineering 2017 Set 2 Paper
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© examsiri.com
Question :
112 of 200
Marks:
+1
,
-0
The electromagnets is made of____.
soft iron core
soft iron core with current passing around it
steel core
steel core with current passing around it
Validate
Solution:
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. The magnetic field disappears when the current is turn off. Soft iron core is use so that electromagnet easily magnetised and demagnetised.
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