Where are the field lines most concentrated around a bar magnet?
At the centre
At both poles
At the South Pole
At the North Pole
Artificial magnets can be
Temporary magnets
Permanent magnets
Both a and b
None of these
Which material is used to make a temporary magnet?
Steel
Nickel
Cobalt
Soft iron
In which direction do the field lines go around a magnet?
From south to north
It's different for every magnet
Clockwise
From north to south
An imaginary line passing through the magnetic north pole and South pole of a bar magnet is called:
Magnetic pole
Length of a magnet
Magnetic axis
Magnetic equator
Which of the following character is wrong about a magnet ?
Magnetic poles always exist in pairs
like poles attract each others
Magnetic lines of force never intersect
It is impossible to obtain a piece of magnets having only one magnetic pole .
Which pole of a magnet in a compass points north?
Neutral pole
South Pole
North Pole
Both 1 and 3
Electro magnets are used in:
Ammeter
Volt meter
Galvanometer
All of these
