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1.
Magnetic dipole moment is a
2.
The materials suitable for making electromagnets should have
3.
Isogonic lines on magnetic map will have
4.
The time period of a vibration magnetometer is 
. Its magnet is replaced by another magnet whose moment of inertia is 3 times and magnetic moment is 1/3 of the initial magnet. The time period now will be
. Its magnet is replaced by another magnet whose moment of inertia is 3 times and magnetic moment is 1/3 of the initial magnet. The time period now will be
5.
If magnetic lines of force are drawn by keeping magnet vertical, then number of neutral points will be
6.
The magnetic moment of a magnet is 0.1 amp 
. It is suspended in a magnetic field of intensity
. The couple acting upon it when deflected by 30
from the magnetic field is
. It is suspended in a magnetic field of intensity. The couple acting upon it when deflected by 30 from the magnetic field is
7.
The variation of magnetic susceptibility 
with magnetising field for a paramagnetic substance is
with magnetising field for a paramagnetic substance is
8.
Due to the earth's magnetic field, charged cosmic ray particles
9.
Magnetic lines of force due to a bar magnet do not intersect because
10.
Tangent galvanometer is used to measure