Purpose:Demonstrates that the electric field within a closed conducting surface is zero
Description:When the cage is charged, the aluminum foil "pith balls" move away from the outside of the cage, indicating the presence of an electric field. However, on the inside of the cage the pith balls do not move away from the wire cage, indicating that there is no charge and therefore no electric field on the inside of the conducting surface.
Note that this is most easily charged with the charging materials from J1-01.
Loc codes:J3, J1
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Last modified on Monday, 16 October 2017 08:25