một quả cầu mang điện dương chạm vào quả cầu chưa mang điện, electron dịch chuyển như thế nào? sau khi tách chúng ra các quả cầu sẽ nhiễm điện ra sao.?

Các câu hỏi liên quan

Write full sentences to make a passage, using the suggested words and phrases given. 1.When / I / child / , / I / use / walk / everywhere / . / The / town / small / that / you / could / walk / one side / other/ and / you / never / need / car / . / ___________________________________________________________________________________________________________________________________________. 2.When / I / young / , / mealtimes / use / quite predictable / . / And / we’d / eat / similar / food / every day / , / consist / meat / , / potatoes / , / root vegetables / , / whatever / season / time / . / ___________________________________________________________________________________________________________________________________________. 3.We / never / use / have / very / varied meals / , / whereas / now / my diet / change / a lot / . / ___________________________________________________________________________________________________________________________________________. 4.Children’s / education/ be/change / rapid / today ___________________________________________________________________________________________________________________________________________. 5. In / past /, /teachers/ make / children / sit / still/ hours / . / ___________________________________________________________________________________________________________________________________________. 6. They / make/ children / memory / all / sort / things / . ___________________________________________________________________________________________________________________________________________. 7. They / have / listen / and / write down / all/ words / teachers / read / books /. / ___________________________________________________________________________________________________________________________________________. 8. In other words/,/ children / have / go on / repeat / things / until / they/ know / them / heart/./ ___________________________________________________________________________________________________________________________________________. 9. They / say / you / can / only / help / them/ how / learn /. / ___________________________________________________________________________________________________________________________________________. 10. They / say / you / must/ let / children / learn / and / discover / things / their / understand / themselves / . / ___________________________________________________________________________________________________________________________________________.