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linhtieuthu.2707
2 năm trước
Trong các chất dưới đây, chất nào không phải là chất cách điện? Cao su.Than chì.Gỗ khô.Nhựa. Câu 9: Dụng cụ nào dưới đây hoạt động chủ yếu dựa vào tác dụng nhiệt của dòng điện? Máy vi tính.Máy bơm nướcBàn là điện.Quạt điện.
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