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Hollow Sphere

by Flinn Scientific

Item #: AP5989

Price: $89.05

With the Hollow Sphere Electrostatics Demonstration, dramatically demonstrate that static charges lie only on an outside surface of a charged object.

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Product Details

Static charges lie only on an outside surface of a charged object and this device dramatically demonstrates it. Charge the sphere by touching it to the dome of a Van de Graaf generator. When a proof plane is touched to the outer surface, a charge will be acquired, but when it is touched to the inside surface, no charge will be transferred. The sphere's large re-entrant hole (4 cm) makes these transfers easy and consistent.