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Revision notes: Magnets and electromagnets

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Uploaded on
May 19, 2025
Number of pages
1
Written in
2024/2025
Type
Class notes
Professor(s)
N-a
Contains
All classes

Subjects

  • revision
  • gcse
  • aqa
  • science
  • biology
  • chemistry
  • physics

Content preview

MAGNETS ELECTROMAGNETS Date 22 01 24
entitle a


LAGNETS ELECTROMAGNETISH

FORCE
A
magnetshereanorthand
south
pole lywire
anelectriccurrentflowsthrough
milyutin

If
fieldlinesalwaysgofromnorthtosouth a itwillpursueamagneticsued
thewire
samepolesrepel around

polesattract
opposite thefieldstrengthincreaseswithgreater
closer
pole linesaretogetherthe
field currentandbeingcloser tothewine
strongerthe
alteration v
AURRENT


fiffhfff
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tj fh
f
in a magneticfield

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m m
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a
magnetic fieldproduced
Similartofieldarounda harmagnet
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wfn
ffeo
tendtorotate Whentheisacurrentin thewine and strengthcanhe
itspinsbecauseeachsideofthecoilis experiencing
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runiedusedoncurrent
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flowsthroughthewit itexperiences
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whencementchangesdirection the


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to
thefrequency theservedhereisequaltothefrequency th
of of
Force this.int uxcurraniwatu matingameno.DiAPMRAcm

N tx Axm haunet
EF
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AERIENT
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