Magnetism was discovered by
Farmer
Doctor
Nurse
Shepherd
Magnetism is induced in safety pin is an example of
Magnetic property
Magnetic induction
Magnetic pole property
Electric property
When two objects are rubbed against each other charged particles
Remain same
Get transferred
Only positive charge is transferred
Only negative charge is transferred
How many kinds of electric charges are there ?
1
2
3
4
Bar magnet is
Square shape
Cuboid shape
Rectangular shape
Box shape
Current is measured in
Coulombs
Ampere
Second
Volt
An example of magnetic substance
Paper
Brass
Aluminum
Iron
Paper, wood, brass etc are examples of
Metals
Magnetic substances
Non-magnetic substances
Non-metals
Load Stones are
Artificial Magnets
Kind of stone
Natural magnets
Pebbles
Compass is used in
Ships
Trains
Planes
Helicopters