Ceramic magnets are used in:
Dynamo
Generator
Computer
Commutator
Which of the following is an Artificial magnets?
Bar magnet
Horse shoe magnet
U-Shaped magnet
All of these
Magnet A can hold three steel paperclips; Magnet B can hold five. Which is the strongest?
Magnet A
Magnet B
They are both equally strong
None of these
Artificial magnets can be
Temporary magnets
Permanent magnets
Both a and b
In which direction do the field lines go around a magnet?
From south to north
It's different for every magnet
Clockwise
From north to south
An imaginary line passing through the magnetic north pole and South pole of a bar magnet is called:
Magnetic pole
Length of a magnet
Magnetic axis
Magnetic equator
Where are the field lines most concentrated around a bar magnet?
At the centre
At both poles
At the South Pole
At the North Pole
Which one of the following is not a magnetic substance ?
Rubber
Iron
Cobalt
Nickel
