The tangent at any point of a line of magnet is
Strength of magnetic field
Direction of the magnetic field
Poles of a magnet
None of these
An iron rod is buried inside earth along north-south direction, then it
becomes a magnet
becomes a non magnet
no change occur
none of these
Which is the points of a magnet where the attraction appears to be maximum?
Poles
Middle point
End points
The magnetic field lines of a non-uniform magnetic field are
converging
diverging
curved
all the above
For a magnet, the magnetism is minimum at
the poles
the middle point
along the equater
none of the above
The two poles of a magnet have
same strength
different strength
cannot be predict
If the length of a magnet is L, then the effective length of the magnet is
6 L
The magnetic field lines at distant points are
Parallel lines
Anti parallel lines
Curved lines
Hyperbolic curves
The magnetised piece of iron is known as
Natural magnet
Artificial magnet
Permanent magnet
strong magnet
Which of the following is not an artificial magnet?
bar magnet
magnetic compass
lodestone
horse shoe magnet