Logged out
Access All our Essays in an Instant
Swap your work for FREE access, or pay £4.99 for instant access
An investigation to investigate if current through an electromagnet effects the magnetic force?
Member rating: No Rating | Words: | Submitted: Tue Sep 02 2003
Page Preview
On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:
An investigation to investigate if current through an electromagnet effects the magnetic force? What is an electromagnet? An electromagnet is simply a coil of wire. It is usually wound around an iron core. However, it could be wound around an air core, in which case it is called a solenoid. When connected to a DC voltage or current source, the electromagnet becomes energized, creating a magnetic field just like a permanent magnet. The magnetic flux density is proportional to the magnitude of the current flowing in the wire of the electromagnet. The polarity of the electromagnet is determined by the direction the current. Background Knowledge Electromagnet is often a piece of metal in a coil of wire. When the wire has no current flowing through, the magnet is just a regular piece of metal that possesses no magnetic ability. However when the current is passed through, the metal becomes magnetized....
To see the full version of this document, and 145,348 others
