Magnetic rocks were named as..............
- magnetite
- magnet
- lode stone
- leading stone
the ore is called as.....
- magnetite
- magnet
- leading stone
- artificial magnet
The place where magnet is found is .............. in Greek
- Athenes
- Metero
- magnesia
- delphi
Magnetites are .........................
- natural magnet
- artificial magnet
- solidary magnet
- magnet
.....................are used for finding direction.
- magnetic stone
- magnetic substance
- copper stone
- leading stone
Bar amgnet, horseshoe magnet, ring magnet ,needle magnet are generally used as............
- artificial magnet
- natural magnet
- temporary magnet
- electromagnet
The method of changing the piece of iron into magnet is.............
- Magnetite
- magnetization
- vapourization
- evaporation
Man made magnets are called...........
- artificial magnet
- natural magnet
- temperory magnet
- permanent magnet
substances which are attracted by magnet ............
- magnetic substance
- non magnetic substance
- alloy
- poles
Paper, plastic are called............
- magnetic substance
- alloy
- non magnetic substance
- poles
The part of magnet which attract the largest amount of iron filling are called...........
- equator
- magnetic field
- magnetization
- poles
The end of magnet which point to the north is ......
- east pole
- west pole
- north pole
- south pole
A freely suspended bar magnet always come to rest in ................ direction
- east -west
- north -south
- north -east
- south -west
The .............. property of magnet has been used for centuries to find direction.
- attractive
- repulsive
- directive
- none of these.
A ............ is an instrument which is used to find a direction...
- compass
- hygrometer
- hydrophone
- barometer
like poles .......... each other.
- attract
- repel
- none of these
- both (a) and (b)
unlike.............. each other.
- attract
- repel
- none of these
- both (a ) and (b)
magnets can loose their property if they are ......
- cooled
- heated
- compressed
- none of these
Electromagnetic train work on which principle?
- magnetic levitation
- Fleming's left hand rule
- thumb rule
- none of these
Marnier compass is used to find the
- speed
- displacement
- direction
- motion
How many properties does magnet have ?
- one
- two
- three
- four
Which part of the magnet has almost no iron filling attached to it?
- centre
- poles
- both (a) and (b)
- none of these
The marked end of the needle is the ........... pole of the magnet?
- east
- west
- north
- south
............ and south pole attract each other.
- east
- west
- south
- north
When magnet is placed with cellphones, computer , DVD etc. These subjects will also get affected by..............
- gravitational field
- magnetic field
- neither (a) nor(b)
- both
..................... can also cause magnet to lose their property.
- improper storage
- proper storage
- both (a) and (b)
- none of these
By using .............. we can leviate a magnetic object.
- attraction
- deviation
- repulsion
- none of these
By controlling the ............. we can control the agnets and mvement of the train.
- current
- voltage
- both
- none of these
How many poles does magnet have ?
- one
- two
- three
- four
People who made marnier's compass for the first time.
- Indian
- Europians
- Chinese
- Egyptians