Which option is the right option for magnet materials?
a) nickel
b) cobalt
c) iron
d) all of these
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) Yellow
b) Green
c) Blue
d) Red
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
