PASCO ES-9080A - Page 9

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Model No. ES-9080 Basic Electrostatics System
9
LC%-/2*96,E%-9$%'4//>%'(),$%
-/%)%#24>)*$D%-9$%'4//>%'(),$%
:6((%)*F264$%-9$%#)+$%*9)4E$%
06#-4632-6/,%)#%-9$%#$*-6/,%/>%
-9$%#24>)*$%6-%-/2*9$0%S8$$%
X6E24$%hU7%LC%+$)#246,E%-9$%
*9)4E$%/,%-9$%'4//>%'(),$D%
-9$%*9)4E$%0$,#6-C%/,%-9)-%
')4-%/>%-9$%#24>)*$%*),%3$%
0$-$4+6,$07%M9$%E4$)-$4%-9$%
*9)4E$%/,%-9$%'4//>%'(),$D%
-9$%E4$)-$4%-9$%*9)4E$%
0$,#6-C%/,%-9$%#24>)*$%:9$4$%
-9$%'4//>%'(),$%+)0$%*/,-)*-7
b9$,%)%'4//>%'(),$%6#%-/2*9$0%-/%)%*/,02*-6=$%#24>)*$D%-9$%'4//>%'(),$%
3$*/+$#%')4-%/>%-9$%*/,02*-6=$%#24>)*$7%W>%-9$%$>>$*-%/,%-9$%#9)'$%/>%-9$%
#24>)*$%6#%#6E,6>6*),-D%-9$%#)+'(6,E%/>%-9$%*9)4E$%0$,#6-C%:6((%,/-%3$%
)**24)-$7%M9$4$>/4$D%)(:)C#%-/2*9%-9$%'4//>%'(),$%-/%-9$%*/,02*-/4%6,%
#2*9%)%:)C%)#%-/%+6,6+6]$%-9$%06#-/4-6/,%/>%-9$%#9)'$%/>%-9$%#24>)*$7%
X6E24$%K%#9/:#%-9$%4$*/++$,0$0%+$-9/0%>/4%2#6,E%-9$%'4//>%'(),$%-/%
#)+'($%*9)4E$%/,%)%*/,02*-6=$%#'9$4$7
in sampled area
equals charge
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charge in proof plane
area sampled
Figure 6: Conductive Sphere
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Figure 7: Proper use of a proof plane to
sample charge
charged
spheres
Surface of the
proof plane IS
tangent to the
surface of the
conductor.
Surface of the
proof plane IS
NOT tangent to
the surface of
the conductor.