Electrostatic demonstration teaching implement



The utility model discloses an electrostatic demonstration teaching implement, which relates to the teaching implement technical field. The implement has an insulating swing-rod, one end of which is provided with a conducting sphere and the other end of which is provided with a counterbalance; the swing-rod is arranged on a supporting stand by an axis. When used as teaching demonstration, the utility model can resolve the deficiency of the electrostatic demonstration teaching implement, compared with prior art. The implement can be perceptible for the repellent force and attractive force between the charges in the experiment, and can demonstrate the qualitative experiment of the Coulomb Law, the electric field experiment, the electrostatic induction and electrostatic induction electrization experiment.




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    CN-102270402-ADecember 07, 2011石际简易静电演示器