Electromagnet
Asked by
| 21st Mar, 2008,
05:00: AM
Expert Answer:
Electromagnet stops behaving as magnet as soon as source of magnetism (electricity) is removed where as permanent magnet behave as a magnet for ever.
If steel is used as core material instaed of iron then it makes permanent magnet.
Regards
Toppersexpert.
Answered by
| 22nd Mar, 2008,
02:40: AM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Sign Up
Verify mobile number
Enter the OTP sent to your number
Change