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Magnetism and the motor effect Typeit
Target Level
4-5
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1 of 3
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A magnet is any object which generates a magnetic field.
A magnet which generates its own magnetic field is called a magnet. An example of a material which can generate its own magnetic field without an external field applied is .
A magnet which generates a magnetic field when exposed to another magnetic field is called an magnet.
A wire carrying a current also generates a magnetic field. Coils of current-carrying wire with iron cores at their centre are called .
Earth generates its own magnetic field, which affects other magnets. A is a device used for navigation, which consists of a suspended magnet which is free to move, so it always aligns north-south.
A current-carrying wire in a magnetic field experiences a force. This is known as the effect. The direction of the force can be determined using Fleming's rule.
The strength of a magnetic field is called the magnetic flux density of that field, which is measured in units of .
A magnet which generates its own magnetic field is called a magnet. An example of a material which can generate its own magnetic field without an external field applied is .
A magnet which generates a magnetic field when exposed to another magnetic field is called an magnet.
A wire carrying a current also generates a magnetic field. Coils of current-carrying wire with iron cores at their centre are called .
Earth generates its own magnetic field, which affects other magnets. A is a device used for navigation, which consists of a suspended magnet which is free to move, so it always aligns north-south.
A current-carrying wire in a magnetic field experiences a force. This is known as the effect. The direction of the force can be determined using Fleming's rule.
The strength of a magnetic field is called the magnetic flux density of that field, which is measured in units of .