Which property of magnets is used for the construction of a magnetic compass?
Property of magnetic induction
Pair property of magnets
Directive property
Attractive property
For a magnet, magnetic poles exist in pairs and they cannot be separated. This statement is
Always true
True in the presence of another magnet
True in the presence of electricity
Always false
A magnet is surrounded by
Magnetic field
Electric field
Poles
Radiations
The substance having magnetic property is
Wooden pieces
Chalk
Iron Nail
Ice Cube
The process by which a magnet loses its magnetic property is called
Degradation
Dehydration
Decomposition
Demagnetisation
The substance used to make electro-magnet is
Steel
Cobalt
Soft iron
Nickel
The substances that are strongly attracted by magnets are called
Insulators
Conductors
Atoms
Magnetic substances
Which of the following gas exhibit magnetic property when cooled to liquid state?
Oxygen
Hydrogen
Helium
Nitrogen
Who proposed magnetic compass and its use for navigation for the first time?
Alexander Neckham
William Gilbert
Aristotle
Charaka
If a magnet is suspended freely, it comes to rest always in
South – West direction
North – South direction
North – East direction
North – West direction