How To Create A Uniform Magnetic Field
Creating a Uniform Field
Revision notes on the topic 'Creating a Uniform Field' for Edexcel IGCSE Physics
Creating a Uniform Field
Specification Point 6.7
Describe how to use two permanent magnets to produce a uniform magnetic field pattern.
- A uniform magnetic field is one that has the same strength and direction at all points .
- A uniform magnetic field can be created by taking the opposite poles of two magnets and holding them close together.
A uniform field is created when two opposite poles are held close together
- A uniform field is created in the gap between the two poles.
(Note: Outside that gap the field will not be uniform)
Exam Tip
- When drawing a uniform field, stick to the field directly between the two poles – don't worry about what is going on around the sides.
- Start by drawing a single straight line (use a pencil and ruler) in the middle – make sure you indicate its direction.
- Next draw two lines at the top and bottom of the gap.
- Finally, you can add two further lines halfway between the others.
Edexcel IGCSE Physics Notes
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David was awarded a degree in Physics from Imperial College before going on to study his PhD in Theoretical Physics. He has over 20 years' teaching experience, including 14 years as a Head of Department and a spell as an A level examiner. He has won acclaim for his work on digital education and is devoted to gaining students the highest grades in their examinations.
How To Create A Uniform Magnetic Field
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