science

Essay specific features

 

Issue:

Science

 

Written by:

Rosa S

 

Date added:

May 10, 2011

 

Level:

University

 

Grade:

A

 

No of pages / words:

4 / 967

 

Was viewed:

7564 times

 

Rating of current essay:

 
Essay content:

This is because the current emitted from the battery to the coils magnetises the nail. This is known as an electromagnet. The current passing through an electromagnet produces a magnetic field. Therefore, the more turns of the coil you have, the greater the magnetic field and the stronger the electromagnet...
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This will mean more paper clips being picked up by the nail. The strength of an electromagnet can also be altered by varying the current or voltage. The more induced voltage, the stronger the electromagnet. An alternative way to strengthen an electromagnet is to replace the core with a "soft" iron core...
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