Which of the following is a vector quantity?
Magnetic field
potential difference
distance
none of these
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
If the length of a magnet is L, then the effective length of the magnet is
6 L
The attractive property of a magnet is maximum at
north pole only
south pole only
north and south poles both
mid point of magnet
For a magnet, the magnetism is minimum at
the poles
the middle point
along the equater
none of the above
An iron rod is buried inside earth along north-south direction, then it
becomes a magnet
becomes a non magnet
no change occur
If we keep an lodestone and a bar magnet near a iron bar, which will attract more?
Lodestone
Bar magnet
Both have equal attraction
lodestone repel and bar magnet attracts.
When we cut a magnet into two equal parts, then what is its strength of each part?
Equal to the strength of the original magnet
Half of the strength of the original magnet
Double the strength of the original magnet
1/3 of the strength of the original magnet
The magnetic field lines in the vicinity of the magnet are
Curved
Straight line
Discrete
Parabolic