Which of the following is a vector quantity?
Magnetic field
potential difference
distance
none of these
The attractive property of a magnet is maximum at
north pole only
south pole only
north and south poles both
mid point of magnet
The magnetic field lines in the vicinity of the magnet are
Curved
Straight line
Discrete
Parabolic
For a magnet, the magnetism is minimum at
the poles
the middle point
along the equater
none of the above
A parallel and equi-distant field lines represents
strongest magnetic field
weakest magnetic field
uniform magnetic field
nonuniform magnetic field
At neutral points, the resultant magnetic field is
high value
low value
zero
The magnetic field lines at distant points are
Parallel lines
Anti parallel lines
Curved lines
Hyperbolic curves
Which of the following is not an artificial magnet?
bar magnet
magnetic compass
lodestone
horse shoe magnet
If the length of a magnet is L, then the effective length of the magnet is
6 L
The natural magnets are
Iron pieces
Limestone pieces
Lode stone pieces
Magnesium