Electro magnets differs from permanent magnet because it requires electricity. A simple electro magnet consists of an iron rod wrapped in a coil of copper and when electricity flows through the copper, a magnetic field is formed.
Electro magnets can be used to attract metals temperarily while permanent magnet would be used for compasses.
Electromagnets use electricity to create a magnetic field, which can be turned on and off. They are typically stronger than permanent magnets. In contrast, permanent magnets, like those made of iron or nickel, are always magnetic without the need for an external power source.
A bar magnet can pick up more paper clips than an electromagnet because the magnetic field of a bar magnet is constant and does not rely on an external power source, whereas an electromagnet's strength depends on the current flowing through it. The bar magnet's fixed magnetic field allows it to attract more paper clips consistently, whereas the electromagnet's strength diminishes if there is a power failure or interruption.
Magnets create a magnetic field without the need for electricity. However, magnets and electricity are related as moving electrical charges (current) can produce a magnetic field, and vice versa (electromagnetism).
Electro-magnets
of course not.
Electro magnets can be very useful to carry heavy loads of iron and metal from one side of a factory to another. Electro-magnets are formed by shooting electricity through a coil of copper.
Yes, because electromagnets can lose their magnetism.
Yes, electromagnets itself is an artificial magnet.
For a simple electro-magnet use a DC supply.
Lots of things do. For example, relays. (The electronical component)
car wreck (scrapyards) metel dedectors at airports
(electro) Magnets in the "track".
A loud speaker can use electro magnets and i hope this helps =)
They can be used in Junk yards to pick up junk. They can be used in a Dentist.
Electro magnets are magnets created by wrapping a conductive wire around a core and passing an electric current through the wire. They produce a magnetic field when the electric current flows through them, which can attract or repel nearby magnetic materials. Electro magnets are used in a variety of applications such as electric motors, speakers, and magnetic resonance imaging (MRI) machines.