|[[File:ElectrostaticFieldNegative.png|center|200px]]
|[[File:ElectricField.png|center|200px]]
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| style="height:20px; width:200px; text-align:center;" |Text
| style="height:20px; width:200px; text-align:center;" |Text
| style="height:20px; width:200px; text-align:center;" |Text
|}