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WorksheetsFun with magnets
Total questions: 24
Worksheet time: 12mins
When a magnet is suspended freely it always aligns itself in -------- direction?
North
N-S
N-W
N-E
When a magnet is suspended freely it always aligns itself in -------- direction?
North
N-S
N-W
N-E
----- is the only natural magnet.
Magnetite
Ebonite
Cobalt
Nickel
Which of the following cannot be used to make a magnet?
Cobalt
Iron
Ebonite
Steel
Which of the following cannot be used to make a magnet?
Cobalt
Iron
Ebonite
Steel
Which of the following is not a non-magnetic substance?
Glass
Wood
China ware
Nickel
Which of the following gets attracted to a magnet?
Copy book
Silver spoon
Comb
Common pins
----- is the only natural magnet.
Magnetite
Ebonite
Cobalt
Nickel
When a magnet is placed on a plastic plate with common pins spread on it, then ----
Pins stick all around the magnet
Pins stick at the middle of the magnet
Pins stick at the ends of the magnet
None
The North end of the freely suspended magnet points towards -------?
Geographical North
Geographical South
Geographical East
Geographical West
The south pole of the freely suspended magnet points towards -------?
Geographical North
Geographical South
Geographical East
Geographical West
like poles of magnets -------- each other.
Attract
Repel
Both a and b
None
Unlike poles of magnets -------- each other.
Attract
Repel
Both a and b
None
----- is the surest test of magnetism.
Attraction
Rotation
Repulsion
None
When a N pole of a bar magnet is brought near the north pole of a freely suspended magnetic needle, then it -----------?
a)Attracts
b)Repels
c)It rotates
d)None
When a S pole a magnet in brought near the N pole of a freely suspended magnetic needle, then it -----------?
None
Repels
It rotates
Attracts
____________is a device used by pilots and navigators used to find the direction.
barometer
thermometer
magnetic compass
none
Magnetism of a magnet is lost by doing which of the following acts
(a)Keeping in a box
(b)Heating
(c)Hammering
(d)Both b and c
Which of the following gets demagnetised when a powerful magnet is kept near it
Plastic ruler
Compact disc
Glass tumbler
Wood
Which of the following does not get demagnetised when a powerful magnet is kept near it
a)CD
b)music system
c)Cell phone
d)Comb
electric bell is an example of _____________magnet.
Bar magnet
Cylindrical magnet
Electromagnet
Horseshoe magnet
--------type of magnet is used in cranes to lift heavy containers from ships.
a)Bar magnet
b)Cylindrical magnet
c)Electromagnet
d)Horseshoe magnet
--------type of magnet is used in cranes to lift heavy containers from ships.
a)Bar magnet
b)Cylindrical magnet
c)Electromagnet
d)Horseshoe magnet
The nerves in our body transmits messages as __________
Electrical impulses
Radio waves
Electromagnetic waves
None
