PASCO ES-9080A - Page 24

Basic Electrostatics System Model No. ES-9080
24
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4. A3#$4=$%9/:%-9$%'/-$,-6)(%06>>$4$,*$%4$)06,E%>4/+%-9$%$($*-4/+$-$4%
=)46$#%)#%+/4$%*9)4E$%6#%'2-%6,%-9$%*)')*6-/47
5. B/23($%-9$%'()-$%#$')4)-6/,%),0%4$'$)-%-9$%$5'$46$,*$7%b9)-%
9)''$,#%-/%-9$%'/-$,-6)(%,/:m%@/+')4$%-9$%=)(2$#%-/%-9$%'4$=6/2#%
*)#$7
3B.2: Q Measured, C Variable, V Constant
1. X6E24$%`7`%)3/=$%#9/:#%-9$%$F26'+$,-%#$-%2'7%M9$%?)4)(($(%?()-$%
*)')*6-/4%9)#%),%6,6-6)(%'()-$%#$')4)-6/,%/>%h%*+%),0%6#%*/,,$*-$0%-/%-9$%
=/(-)E$%#/24*$D%#$-%)-%eJJJ%dB@7%M9$%X)4)0)C%W*$%?)6(%6#%*/,,$*-$0%-/%
-9$%$($*-4/+$-$4D%),0%-9$%$($*-4/+$-$4%6#%E4/2,0$0%-/%$)4-97
2. ./+$,-)46(C%E4/2,0%)%'4//>%'(),$%),0%-9$,%2#$%6-%-/%$5)+6,$%-9$%
*9)4E$%0$,#6-C%/>%-9$%*)')*6-/4D%2#6,E%-9$%6*$%')6(%-/%+$)#24$%-9$%
*9)4E$7%W,=$#-6E)-$%-9$%*9)4E$%0$,#6-C%)-%=)46/2#%'/6,-#%/,%-9$%
'()-$#%o%3/-9%/,%-9$%6,,$4%),0%-9$%/2-$4%#24>)*$#7%\/:%0/$#%-9$%
*9)4E$%0$,#6-C%=)4C%/=$4%-9$%'()-$m
3. @9//#$%)%'/6,-%,$)4%-9$%*$,-$4%/>%/,$%*)')*6-/4%'()-$%),0%+$)#24$%
*9)4E$%0$,#6-C%6,%-96#%)4$)%)-%06>>$4$,-%'()-$%#$')4)-6/,#7%SN$$'%6,%
+6,0%:9$-9$4%C/2%%)4$%6,*4$)#6,E%/4%0$*4$)#6,E%-9$%*)')*6-),*$%3C%
+/=6,E%-9$%'()-$#7U%\/:%0/$#%-9$%*9)4E$%=)4C%:6-9%*)')*6-),*$m
3B.3 Q Measured, V Variable, C Constant
1. X6E24$%`7`%#9/:#%-9$%$F26'+$,-%#$-%2'D%:96*9%6#%60$,-6*)(%-/%-9$%#$-2'%
>/4%Le7%M9$%?)4)(($(%?()-$%*)')*6-/4%9)#%),%6,6-6)(%'()-$%#$')4)-6/,%/>%h%
*+%),0%6#%*/,,$*-$0%-/%-9$%=/(-)E$%#/24*$D%#$-%6,6-6)((C%)-%`JJJ%dB@7%
M9$%X)4)0)C%W*$%?)6(%6#%*/,,$*-$0%-/%-9$%$($*-4/+$-$4%),0%-9$%
$($*-4/+$-$4%6#%E4/2,0$0%-/%$)4-97
2. N$$'%-9$%'()-$%#$')4)-6/,%*/,#-),-%),0%*9),E$%-9$%'/-$,-6)(%)*4/##%
-9$%'()-$#%3C%*9),E6,E%-9$%#$--6,E%/>%-9$%=/(-)E$%#/24*$7%V/2%9)=$%
red lead
black lead
;
2000 V
Figure 3.3: Demonstration Setup