An electromagnet is made by passing an electric current through a coil of wire, which produces a magnetic field. The strength of the magnetic field can be controlled by adjusting the amount of current flowing through the wire. In contrast, a magnet is a material that produces a magnetic field naturally without the need for an electric current.
One advantage of using an electromagnet over a regular magnet is its controllability. The strength of an electromagnet can be adjusted by varying the amount of current flowing through it, providing flexibility for different applications. Additionally, electromagnets can be turned on and off easily by controlling the flow of electricity.
No, an electromagnet is not a permanent magnet. It is a magnet that produces a magnetic field when an electric current is passed through it, and the magnetic field disappears when the current is turned off.
An electromagnet is a temporary magnet that only produces a magnetic field when an electric current is flowing through it, while a permanent magnet retains its magnetism without needing an external electric current. Additionally, the strength of an electromagnet can be easily adjusted by changing the amount of current flowing through it, while the strength of a permanent magnet is fixed.
An electromagnet is a temporary magnet created by passing an electric current through a coil of wire, while a refrigerator magnet is a permanent magnet that can hold items to a refrigerator or other magnetic surface without needing an electric current. Electromagnets can be turned on and off by controlling the electric current, while refrigerator magnets retain their magnetism without the need for an external power source.
Yes, an electromagnet can be attracted to a permanent magnet. When a current flows through the electromagnet, it generates a magnetic field that interacts with the magnetic field of the permanent magnet, causing the two to be either attracted or repelled from each other.
a electromagnet is bigger than a bar magnet
electromagnet
a permanent magnet is always magnetic as an electromagnet is only magnetic when it is wound around with wire and energised
Perminant magnet
the world is
Electromagnet Superconducting magnet Ferromagnetic Magnetic needle Magnetic compass magnetic field. Hydro magnet Gyro magnet
An electromagnet.
An electromagnet is a stronger magnet.
A temporary magnet is created from an electromagnet. When an electric current flows through a coil of wire, it generates a magnetic field, creating the temporary magnet effect.
IT is different because an electromagnet runs with electricity. A refrigiator does not run with electricity.
It requires a current through a coil of wires.
An electromagnet can be turned on and off.