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Magnets

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by

Jon Snow

on 18 June 2015

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Transcript of Magnets

Magnets
Magnetic Lines of Force
A magnetic field is described by drawing the magnetic lines of force. When a small north magnetic pole is placed in the magnetic field created by a magnet, it will experience a force.
Properties of the magnetic lines of force
The magnetic lines of force originate from the North Pole of a magnet and end at its South Pole
A Magnet:
Is any object that produces a magnetic field, this field although invisible, it's responsible for the most notable property of the magnets. Like magnetic poles repel each other whereas unlike poles attract each other
Magnetic fields
The space surrounding a magnet in which a magnetic force is exerted is a magnetic field. If a bar magnet is placed in such a field, it will experience magnetic forces. The field will continue to exist.
The Path traced...
... by a North magnetic pole free to move under the influence of a magnetic field is called a magnetic line of force.
The direction of a magnetic line...
... of force at any point gives the direction of the magnetic force is the direction of force on a North Pole
How is a magnetic field created?
When current flows in a wire, a magnetic field is created around the wire. Magnetic fields are produced by the motion of electrical charges around an electrified wire.
By: Ricardo Ibarra
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