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Magnetism and current for AQA GCSE Physics

This page covers the following topics:

1. Magnetic field created by current
2. Strength of magnetic fields

When a current flows through a wire, a magnetic field is produced around the wire.

Magnetic field created by current

The magnetic field produced around a current carrying wire varies in strength depending on the position relative to the wire and the speed of the current in the wire.

Strength of magnetic fields

1

The magnetic field lines travel around the wire in circles. Is this statement true?

yes

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2

Are the magnetic field lines movements parallel or perpendicular to the wire?

perpendicular

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3

Which hand is used for the rule that allows us to see which direction the magnetic field travels in?

right-hand

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End of page

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