Fun with Magnets

Which of the following is a natural magnet?
1. magnetite
2. magnesium
3. bakelite
4. haemetite
magnetite is called
1. natural magnet
2. artificial magnet
3. not a magnet
4. none of these
which of the following is/are the shape of magnet?
4. all of these
the materials that get attracted towards the magnet are called
1. magnetic materials
2. non-magnetic material
3. ferric materials
4. magnetic poles
which of the following are magnetic materials?
1. iron
2. cobalt
3. nickel
4. all of these
the materials that do not get attracted towards the magnet are called
1. magnetic materials
2. non-magnetic materials
3. ferrous materials
4. non-ferrous materials
which of the following are non-magnetic materials?
1. leather
2. plastic
3. cloth
4. all of these
magnetic attraction is maximum near the _______ of magnet
1. end
2. edges
3. middle
4. same throughout
magnetic attraction is maximum near the ends of magnet.these ends are called
1. magnetic pole
2. magnetic stand
3. magnetic pillar
4. magnetic arc
when suspended freely ,magnet always align in which direction?
1. north-south
2. east-west
3. north-east
4. south-west
which object was used in old days to identify directions by sailors when they were in sea
1. lode stone
2. compass
3. sunlight
4. maps
________ is a small glass case containing a magnetised needle pivoted on a nail.
1. lode stone
2. compass
3. magnetic pole
4. all of these
compass always rest in which direction?
1. north-south
2. east-west
3. north-east
4. south-west
__________ poles of two magnets attract each other.
1. opposite
2. similar
3. both opposite and similar
4. none of these
magnetite is an ore of______ which has magnetic properties
1. iron
2. magnesium
3. nickle
4. cobalt
which of the following are the shapes of artificial magnets
1. bar-shaped
2. u-shaped
3. circular
4. all of these
Paper is not a _______ material
1. magnetic
2. non-magnetic
3. ferrous
4. non-ferrous
A magnet has how many poles
1. 1
2. 2
3. 3
4. 4
magnet was discovered at
1. Greece
2. India
3. Australia
4. America
which is the first magnet?
1. lode stone
2. iron ore
3. magnetite
4. bar-magnet
which of the following is/are property of magnet?
1. it attracts iron pieces towards itself
2. it always align itself in north-south direction
3. it is composed of oxides of iron
4. all of these
in the following fig:

which of the iron bar is likely to be the strongest magnet?
1. A
2. B
3. C
4. D
Magnet has its magnetic effect least in which part
1. end
2. middle
3. throughout
4. cant be determined
why bar magnet always point in north-south direction?
1. because earth behave as magnet
2. because earth has iron
3. both of these
4. none of these
can north-pole or south-pole be isolated
1. yes
2. no
3. cant say
4. none of these
where are the poles of a circular magnet
1. at any to opposite point
2. interior and exterior parts
3. one side act as N other as S
4. it doesnt have N and S pole
how can a magnet be demagnetised?
1. by packing like poles of 2 magnets in same direction
2. by hammering magnet hard
3. by heating magnet strongly
4. all of these
magnets have a shape
1. cylindrical
2. ball ended
3. horse shoe
4. all of these
when a bar magnet is brought near iron dust,most of the dust sticks
1. near the middle
2. equally everywhere
3. near two ends
4. at the middle and ends
choose the wrong statement
1. heat can destroy the magnetic properties of a magnet
2. magnets are made up of different materials and shapes
3. there is a maximum attraction in middle of magnet
4. magnetite doesn't show magnetic properties
the magnetic properties can't be destroyed by
1. hammering
2. heating
3. dropping on hard surface
4. boiling
magnet attracts
1. wood
2. plastic
3. paper
4. iron
which 2 poles are called magnetic poles
1. north pole
2. south pole
3. north and south pole
4. self demagnetisation
A bar magnet is immersed in a heap of iron fillings and pulled out.The amount of iron filing clinging to the
1. north pole is almost equal to the south pole
2. north pole is much more than the south pole
3. north poleis much less than south pole
4. magnet will be same all along its length
north pole of a magnet can be identified by
1. another magnet having its poles marked as north pole and south pole
2. another magnet no matter whether the poles are marked or not.
3. using an iron bar
4. using iron filings
three magnets A,B and C were dipped one by one in a heap of iron filing.the strength of these magnets will be
1. A>B>C
2. A=B=C
3. A<B<C
4. AC

identify the correct arrangement to store two magnets