CBSE Class 6 Answered
Mention 3 advantage of an electromagnet and a permanent magnet??
Asked by debbarmadhiraj110 | 28 Feb, 2022, 10:47: AM
Expert Answer
Three advantages of electromagnet over permanent magnet are: -
1. The magnetism of an electromagnet can be switched on or switched off as desired. This is not possible with a permanent magnet.
2. An electromagnet can be made very strong by increasing the number of turns in the coil, and by increasing the current passing through the coil. On the other hand, a permanent magnet cannot be made so strong.
3. Magnetic strength of electromagnet is more than permanent magnets.
Answered by Shiwani Sawant | 28 Feb, 2022, 11:03: AM
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