
ÔN TẬP GIỮA KÌ 2 KHTN 8
Quiz
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others
•
8th Grade
•
Easy
phuoc lovan
Used 3+ times
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45 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kí hiệu nào sau đây là kí hiệu của khóa mở.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kí hiệu nào sau đây là kí hiệu của điôt phát quang.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cầu chì có tác dụng gì?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cầu dao có tác dụng gì?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong bệnh viện, khi cấp cứu bệnh nhân có tim ngừng đập, bác sĩ hay sử dụng kĩ thuật sốc tim. Kĩ thuật này dựa trên tác dụng nào của dòng điện?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dòng điện có tác dụng phát sáng khi chạy qua dụng cụ nào dưới đây, khi chúng hoạt động bình thường?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dòng điện có tác dụng nhiệt?
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