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Lecture notes

magnetic fields and electromagnetism notes

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detailed magnetic fields and electromagnetism notes with definitions, text, images and additional info from past papers I have completed from , all variants.









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Uploaded on
August 9, 2021
Number of pages
3
Written in
2021/2022
Type
Lecture notes
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Advika
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Magnetic fields and electromagnetism



 magnetic field: A force field in which a
magnet, a wire carrying a current, or a moving
charge experiences a force

 field lines go from north to south
 Magnetic field is the strongest where lines are
closer




Magnetic field patterns:




 Reversing current reverses direction
 All magnetic fields are created by moving
charges




Field directions and hand rules:
1. Right hand grip rule (solenoid) –
Wrap fingers around the coil
Fingers – direction of current
Thumb – Points towards magnets north pole

2. Right hand rule (current carrying wire) –
Wrap fingers around the wire
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