Pointer electroscope:square electroscope metal shell, with a banana security terminal negative, connected to the pointer on the base, with a positive terminal of the ball and 2 with positive terminal tray.
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This product is composed of two identical pointer electroscope.
The pointer is made of a thin sheet of metal. The length is not less than 100mm, and the lower part is arrowhead shaped with red lacquer.
The surface diameter is 170mm, and the product support frame is 6mm in diameter, and the iron surface is chrome plated.
The pointer electroscope is composed of a casing, ball or disc, conductive rod, insulator, pointer, pointer frame, grounding column etc.
It consists of circular base, transparent glass, metal rod, sleeve, pointer, horizontal axis and housing. It can determine the potential difference between two charged bodies, test whether the object is charged, test that the charged object has positive electricity or negative electricity, test the insulating of object and perform the experiment of electrification by influence.
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