Magnetic force : Magnetic force Magnetic force is the force exerted by the magnets on each other and on some metals like iron and nickel . Since magnets attracts iron , they are used to separate waste iron objects from garbage dumps.
Magnetic induction : Magnetic induction Magnetizing of magnetic substance under the influence of magnet is magnetic induction.
By rubbing an iron road in a particular direction ………….. (magnetic induction) N S
ALNICO : ALNICO ALNICO is an alloy of aluminium , nickel, iron, cobalt and copper.
Magnetic field : Magnetic field The space around the magnet where the magnetic force is experienced is called magnetic field.
The two end points of a magnet is known as the magnetic poles. North pole and south pole.
Like poles of the magnet repel each other .
N-N
S-S
Unlike poles of the magnet will attract each other.
S-N
Properties of magnetic field lines : Properties of magnetic field lines Magnetic field lines never intersect each other.
Magnetic field lines will start from the north pole and ends at the south pole
Magnetic field lines are crowded at its poles.
Slide 6 : N S