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• 11:54, 20 April 2022 Physdemo talk contribs created page Electrostatic Field Demonstrator (Created page with "{{NewDemo|subject=Electricity and Magnetism|topic=Electric Fields and Potentials|file1=Electrostatic Field.gif}} Variously shaped and spaced conductors are placed in a bath of mineral oil. Grass seed is sprinkled on top of the oil. A high potential from a small Van de Graff generator is placed on the conductors. The field is mapped by the alignment of the grass s eed floating on the oil. Oil Bath tank is placed on an overhead for classroom presentation. Option 2 A self...")