Which of the following statements is correct? |
1. Magnets undergo self-demagnetisation if keepers are placed across both ends of the magnets. |
2. A horseshoe magnet has only one pole. |
3. A copper wire gets attracted by a magnet. |
4. A magnet does not lose its magnetism on hammering. |
A) 1, 2 and 3
B) 2, 3 and 4
C) 1, 3 and 4
D) All the above
E) None of these
Correct Answer: E
You need to login to perform this action.
You will be redirected in
3 sec