b dicht fysisch contac t ( wr ven ,
bleven ) : transfer va n elektronen ( isolatoren )
-
contac t : rechts treebse aanraking ( geleiders)
-
Inductie : geen recht streerss contac t ( geleiders
L> hoe ladingen meten ?
-
elebtroscoon : 2 metalen strookjes die elkaar afstoten b het opladen
- . -
* & -
_
,
( >
kan via bransdvctie
'
: .
-
elektrometer : gecalib / eerde elektroscoop
L>
toepassingen
kopieermachine blad kleurstof
-
: papier wordt opgeladen en moleculen worden naar de ongeladen delen
getrokken
-
recyclage : plastieken stobben worden door een TBS lader afhankel k van het materiaal positief Of negatief geladen
elektrisch veld
lading heeft invloed op de
omgeving : elektrische veld
°
-
test lading in elektrisch veld > ondervindt kracht
elektrisch punt lading
'
veld van een :
E : f : no . ④ Î
q 2
(
(> f-
zin va n is alt d van & naar -
: onafhankel k van tenen testlading
ijijijijij ijij ij
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