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1.
Needles 
and 
are made of a ferromagnetic, a paramagnetic and a diamagnetic substance respectively. A magnet when brought close to them will
and are made of a ferromagnetic, a paramagnetic and a diamagnetic substance respectively. A magnet when brought close to them will
2.
A vibration magnetometer consists of two identical bar magnets placed one over the other such that they are perpendicular and bisect each other. The time period of oscillation in a horizontal magnetic field is 
s. One of the magnets is removed and if the other magnet oscillates in the same field , then the time period in second is
s. One of the magnets is removed and if the other magnet oscillates in the same field , then the time period in second is
3.
If a magnet is hanged with its magnetic axis then it stops in
4.
A bar magnet when placed at an angle of 
to the direction of magnetic field induction of 
experiences a moment of couple 
If the length of the magnet is 5 cm, its pole strength is
to the direction of magnetic field induction of experiences a moment of couple If the length of the magnet is 5 cm, its pole strength is
5.
Domain formation is the necessary feature of