The North pole of a bar magnet is painted:
a) Red
b) Blue
c) White
d) black
The south pole of a bar magnet is painted:
a) Red
b) Green
c) Blue
d) Yellow
In the following figure, what will happen to nail if the switch is closed? NTS Past -------CT Test
a) Nail will get charged
b) Nail will be heated
c) Nail will become electromagnet
d) Nothing will happen to nail
How many types of magnet?
a) two
b) three
c) four
d) five
Magnet made by iron are called………
a) temporary magnet
b) permanent magnet
c) electromagnet
d) none of these
Magnet made by steel are called………
a) temporary magnet
b) permanent magnet
c) electromagnet
d) none of these
