Question

17. Fill in the blanks:
1. Amicrophone works on
effect of electric current.
2. There are
.... poles in a magnet.
3. A freely suspended bar magnet always points to
direction
when it is in rest.
4.
poles of two magnets repel each other.
5.
poles of two magnets attract each other.
.​

Answer 1

Answer:

2: there are two poles in a magnet