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Lecture notes

Revision notes: Magnets and electromagnets

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Institution
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Module
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Institution
GCSE
Study
GCSE
Module
Science
School year
1
All documents for this subject (2610)

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Uploaded on
May 19, 2025
Number of pages
1
Written in
2024/2025
Type
Lecture notes
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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
tya
tj fh
f
in a magneticfield

iiil
m m
Lijffpiiffffhtyh heading acurrentcarryingwireinto a
a
magnetic fieldproduced
Similartofieldarounda harmagnet
wentwman at awire in amadehim timedonand
wfn
ffeo
tendtorotate Whentheisacurrentin thewine and strengthcanhe
itspinsbecauseeachsideofthecoilis experiencing
forcetheforcesoneachsideoftheWilarein
runiedusedoncurrent
adf.jp
oppositedirections



Tam
qq.EE
If fit
Pfeiffer
isplacedinpermanentmagnetandattachedtodiaphragm
flowsthroughthewit itexperiences
whena current
themetereffect
forceduet

thiscausesthediaphragmtomore
forcealsochangesdirection
whencementchangesdirection the


T.Iiiiitiimm.mnitii.imiiinimnms rantitionsincurrentcausethediaphragm vibrate
to
thefrequency theservedhereisequaltothefrequency th
of of
Force this.int uxcurraniwatu matingameno.DiAPMRAcm

N tx Axm haunet
EF
F BIL
hh
AERIENT

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