Basic Electrostatics System Model No. ES-9080
15
!
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Procedure 1A: Charging by Induction vs. Charging by Contact
1. @/,,$*-%-9$%$($*-4/+$-$4%-/%-9$%X)4)0)C%W*$%?)6(%)#%#9/:,%6,%X6E24$%
_7_7%.)Z$%#24$%-/%E4/2,0%-9$%$($*-4/+$-$4%),0%-9$%6*$%')6(7%M9$%
$($*-4/+$-$4%#9/2(0%4$)0%]$4/%:9$,%E4/2,0$0D%6,06*)-6,E%-9$4$%6#%,/%
*9)4E$%6,%-9$%6*$%')6(7%?4$##%-9$%Zero 32--/,%-/%*/+'($-$(C%4$+/=$%)((%
*9)4E$%>4/+%-9$%$($*-4/+$-$4%),0%-9$%6*$%')6(7
2. ;(:)C#%#-)4-%:6-9%-9$%=/(-)E$%4),E$%6,%-9$%96E9$4%#$--6,E%S_JJ%dU%
),0%)0^2#-%0/:,%6>%,$$0$07%;,)(/E%+$-$4#%)4$%-C'6*)((C%+/#-%
)**24)-$%6,%-9$%4),E$%/>%_[`%-/%e[`%/>%>2((%#*)($7
3. M9$%*9)4E$%'4/02*$4#%:6((%3$%2#$0%)#%*9)4E$0%/3^$*-#7%\$4$%6#%)%
E$,$4)(%'4/*$024$%-/%>/((/:%:9$,%*9)4E6,E%-9$%'4/02*$4#O
Figure 1.2: Grounding the ice pail
touch both the pail
and the shield at the
same time
lift finger from pail,
then from shield
pail
shield
shield
pail