Compasses
Its called a compass and it always points in the direction of north so you can easily determine your relative direction to the north.
a generator
uses of u-shape magnet
A bar magnet is made from magnet materials and has a magnetic field at all times. An electromagnetic is not naturally magnet and only has a magnetic field when electricity is passed through it.
Permanent magnets are used in food processing to remove metal fragments resulting from the manufacturing process. Magnets are also used in recycling centers to separate iron. A magnetic resonance imaging machine uses a magnet.
Its called a compass and it always points in the direction of north so you can easily determine your relative direction to the north.
an magnet is a object that attracts or repel
The most common uses of an electro magnet begin with the harnessing of electricity in windmills.
Bar magnet, ball ended magnet, cylindrical magnet,horse shoe magnet, round magnet
Electromagnets are used for a wide variety of uses like in motors to regulate the speed of motor and used in cranes to lift heavy metal objects and they can used in electronic devices
If it has been magnetized by another magnet, then it is just a temporary magnet, but if it uses an electric current, then it is an electro-magnet.
Electromagnets are used for a wide variety of uses like in motors to regulate the speed of motor and used in cranes to lift heavy metal objects and they can used in electronic devices
an magnet is a object that attracts or repel
it uses electricity to create a magnet
it uses electricity to create a magnet
he uses similes
a generator