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1.演示电荷的同性相斥:把两个吹鼓的气球都在毛皮上擦擦,然后把它们用线拴在一起挂起来,可看到它们在表面的静电荷消失之前会一直保持分开的状态。 2.演示电荷的异性相吸:用绸围巾摩擦一吹鼓的
1. Demonstrate homosexual repulsion of the charge: Rub the two blown balloons on the fur, and then hang them together with a thread, and see that they remain separate until the static charge on the surface disappears. status. 2. Demonstrate the opposite of electric charge: rubbing a drum with a silk scarf